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Pentair H-300 Facts: 166 Specifications & 99 Highlights

From general information, dimensions, capacity & flow & filtration stages & media to other must-see specs & features, the Pentair H-300 water filtration system gives you 166 reasons to take a closer look — only on Techspotr.

79 Points
Pentair
Pentair
Pentair H-300
The Pentair H-300 has been discontinued️. Our community last shared an update on December 02, 2025.
Pentair H-300

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Highlights 99

No extras. Just what matters.
79 Points

Why is Pentair H-300 better than other water filtration systems ?

General Information

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Dimensions

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Filtration Stages & Media

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Filtration Performance

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Water Pressure & Power

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Materials & Build

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Installation & Maintenance

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Environmental & Efficiency

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Noise & User Experience

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Safety & Compliance

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Pentair H-300, covering its standout specification and what you can expect right out of the box.

Pentair H-300
Pentair H-300

Pentair H-300 is a high-quality, point-of-use water filter cartridge designed for domestic drinking water systems, notably those installed under the sink. This cartridge uses Pentair's Micro-Pure® technology to effectively remove impurities such as lead, VOCs (Volatile Organic Compounds), and cysts, while also delivering excellent chlorine taste and odor reduction.

Specifications & Facts 166

Specs measured. Drama avoided.

Specs meet real-world picks. The Pentair H-300 water filtration system gets the full treatment — price, pros and cons, and comparison against other water filtration systems with votes and reactions.

General Information 15

Pentair H-300 Series / Collection

What series or collection is it from?

82 Pentair H-300 0 Votes H-Series

55 Water Filtration Systems in this range Well Water Systems

Pentair H-300
Pentair H-300

Pentair's H-Series is known for compact, efficient filtration systems ideal for residential spaces.

Groups product into a series or collection.

Pentair H-300 Intended Use

What is the intended use?

85 Pentair H-300 0 Votes Apartment, Kitchen, Residential

58 Water Filtration Systems in this range Residential

Pentair H-300
Pentair H-300

This filter is perfect for residential use, especially for apartments and kitchens where space and efficiency matter.

Indicates environments where the system is designed to be used.

Pentair H-300 Installation Type

What is the installation type?

87 Pentair H-300 0 Votes Under Sink

60 Water Filtration Systems in this range Under Sink

Pentair H-300
Pentair H-300

The system is designed to be installed under a sink, offering a space-saving solution while keeping filtration out of sight.

Specifies how and where the unit is installed.

Pentair H-300 Product Type

What type of water filtration system is this?

88 Pentair H-300 0 Votes Drinking Water Filter

59 Water Filtration Systems in this range Under Sink Filter

Pentair H-300
Pentair H-300

Designed for filtering tap or well water for safe drinking, making it ideal for households and apartments.

Specifies the design and intended application of the system.

Pentair H-300 Brand

Who is the brand or manufacturer?

90 Pentair H-300 0 Votes Pentair

57 Water Filtration Systems in this range Frizzlife

Identifies the maker of the water filtration system.

Pentair H-300 Country of Origin

What is the country of origin?

78 Pentair H-300 0 Votes US

56 Water Filtration Systems in this range US

Country where the product is manufactured.

Dimensions 12

Pentair H-300 Inlet Pipe Size

What is the inlet pipe size?

0.25 inch 0 Votes
Pentair H-300
0.84 inch (Average)

Pentair H-300
Pentair H-300

6.35 mm, standard size for under-sink water filtration systems, ensuring compatibility with most plumbing setups.

Diameter of the inlet pipe connection.

Pentair H-300 Width

What is the width?

3.2 inch 0 Votes
Pentair H-300
14.98 inch (Average)

Pentair H-300
Pentair H-300

Roughly 8.13 cm in width, it's about the width of a standard can of soda, making it easy to fit in most under-sink spaces.

Overall product width measurement.

Pentair H-300 Depth

What is the depth?

5 inch 0 Votes
Pentair H-300
12.35 inch (Average)

Pentair H-300
Pentair H-300

12.7 cm in depth, similar to the size of a small kitchen appliance.

Overall product depth measurement.

Pentair H-300 Height

What is the height?

22 inch 0 Votes
Pentair H-300
31.41 inch (Average)

Pentair H-300
Pentair H-300

55.88 cm in height, roughly the same height as a small countertop appliance, so it will fit under most kitchen sinks.

Overall product height measurement.

Pentair H-300 Package Width

What is the package width?

5 inch 0 Votes
Pentair H-300
13.83 inch (Average)

Pentair H-300
Pentair H-300

12.7 cm width in the package for easy storage or transport.

Width of product packaging.

Pentair H-300 Package Depth

What is the package depth?

5 inch 0 Votes
Pentair H-300
16.09 inch (Average)

Pentair H-300
Pentair H-300

12.7 cm depth, compact packaging for ease of handling.

Depth of product packaging.

Capacity & Flow 3

Pentair H-300 Cartridge / Tank Capacity

What is the cartridge or tank capacity?

300 gal 0 Votes
Pentair H-300
215,259.99 gal (Average)

Pentair H-300
Pentair H-300

1,136 liters, ideal for small to medium households, providing clean water for daily use.

Storage or cartridge water capacity.

Pentair H-300 Flow Rate

What is the flow rate?

0.5 gal/min 0 Votes
Pentair H-300
7.81 gal/min (Average)

Pentair H-300
Pentair H-300

1.9 L/min, a moderate flow rate for most household needs, ensuring a steady stream of filtered water.

Continuous flow delivery rate.

Pentair H-300 Simultaneous Usage Support

Does the system support simultaneous usage?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Indicates if the system can supply multiple outlets/devices at the same time.

Filtration Stages & Media 18

Pentair H-300 Replaceable Filter Cartridges

Are the filter cartridges replaceable?

Yes 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Pentair H-300
Pentair H-300

The filter cartridges are replaceable annually, allowing for continued efficiency.

Indicates if filters can be replaced.

Pentair H-300 Activated Carbon Type

What type of activated carbon is used?

75 Pentair H-300 0 Votes Precoat Carbon

52 Water Filtration Systems in this range Carbon Block

Pentair H-300
Pentair H-300

Precoat carbon provides superior filtration for volatile organic compounds (VOCs) and chlorine reduction, enhancing water taste and smell.

Specifies the type of activated carbon used.

Pentair H-300 Ion Exchange Resin Type

What ion exchange resin type is used?

90 Pentair H-300 0 Votes None

56 Water Filtration Systems in this range None

The type of ion exchange resin used for removing hardness and contaminants.

Pentair H-300 Number of Stages

How many filtration stages does it have?

90 Pentair H-300 0 Votes 1

60 Water Filtration Systems in this range 1

Total number of filtration steps in the system.

Pentair H-300 Filtration Technology

What filtration technologies are used?

92 Pentair H-300 0 Votes Chlorine Reduction, Lead Reduction, Cyst Removal, VOC Reduction, Particulate Removal

59 Water Filtration Systems in this range Carbon, Sediment, Reverse Osmosis

Types of filtration technologies included.

Pentair H-300 Filter Media Material

What filter media materials are used?

88 Pentair H-300 0 Votes Pleated Membrane, Micro-Pure®, Activated Carbon

55 Water Filtration Systems in this range Activated Carbon

Materials that make up the filter media.

Filtration Performance 21

Pentair H-300 Virus Removal

What is the virus removal rate?

0 % 0 Votes
Pentair H-300
67.35 % (Average)

Percentage of viruses eliminated.

Pentair H-300 Virus Removal

What is the virus removal rate?

0 % 0 Votes
Pentair H-300
67.35 % (Average)

Percentage of viruses eliminated.

Pentair H-300 Pesticide Reduction

What is the pesticide reduction rate?

0 % 0 Votes
Pentair H-300
68.29 % (Average)

Reduction percentage for pesticides.

Pentair H-300 Pharmaceutical Reduction

What is the pharmaceutical reduction rate?

0 % 0 Votes
Pentair H-300
57.84 % (Average)

Reduction percentage for pharmaceutical residues.

Pentair H-300 TDS Reduction

What is the TDS reduction efficiency?

0 % 0 Votes
Pentair H-300
67.92 % (Average)

Indicates how effectively the system reduces total dissolved solids in water.

Pentair H-300 Log Reduction Value (LRV)

What is the log reduction value (LRV)?

88 Pentair H-300 0 Votes Not Specified

31 Water Filtration Systems in this range Not Specified

The effectiveness of contaminant removal expressed as a log reduction.

Water Pressure & Power 14

Pentair H-300 Minimum Operating Pressure

What is the minimum operating pressure?

10 psi 0 Votes
Pentair H-300
23.5 psi (Average)

Pentair H-300
Pentair H-300

69 kPa, the minimum pressure required for proper operation of the filter.

Lowest pressure required for system to work.

Pentair H-300 Maximum Operating Pressure

What is the maximum operating pressure?

125 psi 0 Votes
Pentair H-300
101.14 psi (Average)

Pentair H-300
Pentair H-300

862 kPa, well-suited for standard residential water pressure systems.

Maximum safe pressure before system risk.

Pentair H-300 Booster Pump Type

What booster pump type is included?

80 Pentair H-300 0 Votes No

54 Water Filtration Systems in this range No

Type of booster pump provided.

Pentair H-300 Inlet Water Temperature

What is the inlet water temperature range?

100 °F 0 Votes
Pentair H-300
65.49 °F (Average)

Acceptable inlet water temperature.

Pentair H-300 Power Adapter Type

What is the power adapter type?

75 Pentair H-300 0 Votes None

50 Water Filtration Systems in this range None

Region-specific power adapter type.

Pentair H-300 Energy Sources

What energy sources does this system use?

75 Pentair H-300 0 Votes Water Pressure

52 Water Filtration Systems in this range Water Pressure

Defines the type of energy or power source required for system operation.

Materials & Build 18

Pentair H-300 Cartridge Housing Material

What is the cartridge housing material?

88 Pentair H-300 0 Votes Metal Canister (Aluminium)

52 Water Filtration Systems in this range Plastic

Material used for filter cartridge housings.

Pentair H-300 Pressure Tank Material & Lining

What is the pressure tank material and lining?

80 Pentair H-300 0 Votes None

49 Water Filtration Systems in this range None

Material and inner lining that determine durability and water safety.

Pentair H-300 UV Lamp Housing Material

What is the UV lamp housing material?

75 Pentair H-300 0 Votes Not Applied

52 Water Filtration Systems in this range Not Applied

Housing material for UV lamp, affecting cooling and safety.

Pentair H-300 Housing Material

What is the housing material?

85 Pentair H-300 0 Votes Aluminum

53 Water Filtration Systems in this range Plastic

Primary material of the system’s housing.

Pentair H-300 Faucet Material

What is the faucet material?

75 Pentair H-300 0 Votes Not Specified

51 Water Filtration Systems in this range None

Material of included faucet (if applicable).

Pentair H-300 BPA Free

Is it BPA free?

Yes 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Indicates if the product is free of BPA.

Installation & Maintenance 23

Pentair H-300 Installation Kit Included

Is an installation kit included?

Yes 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

States if the unit comes with a full installation kit.

Pentair H-300 DIY Installation Possible

Can it be installed DIY?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Whether average users can install without professional help.

Pentair H-300 Installation Time

What is the installation time?

20 min 0 Votes
Pentair H-300
47.78 min (Average)

Estimated time required for installation.

Pentair H-300 Filter Change Indicator

Does it have a filter change indicator?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Shows when filters need replacement.

Pentair H-300 Tool-Free Cartridge Replacement

Is cartridge replacement tool-free?

Yes 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Whether filters can be replaced without tools.

Environmental & Efficiency 14

Pentair H-300 Operating Temperature Range

What is the operating temperature range?

80 Pentair H-300 0 Votes 35-100°F

53 Water Filtration Systems in this range 40-100°F

Acceptable temperature range during operation.

Pentair H-300 Energy Star Certified

Is it Energy Star certified?

85 Pentair H-300 0 Votes No

53 Water Filtration Systems in this range No

Confirms if the system meets Energy Star criteria.

Pentair H-300 Green Building Certification

What green building certification does the system have?

75 Pentair H-300 0 Votes None

49 Water Filtration Systems in this range None

Certifications that support sustainable building standards.

Pentair H-300 Carbon Neutral Certification / Carbon Footprint

Does the system have carbon neutral certification or a verified carbon footprint?

75 Pentair H-300 0 Votes None

50 Water Filtration Systems in this range None

Environmental certification or measured footprint of the product.

Pentair H-300 Water Efficiency

What is the water efficiency percentage?

100 % 0 Votes
Pentair H-300
87.92 % (Average)

Percentage of water effectively used after filtration.

Pentair H-300 Recyclable Components

Does it have recyclable components?

Yes 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Indicates whether product components are recyclable.

Noise & User Experience 14

Pentair H-300 Screen Type

What screen type does it have?

75 Pentair H-300 0 Votes No

52 Water Filtration Systems in this range No

Type of screen used for controls or display.

Pentair H-300 Hot/Cold/Room Dispense Options

What dispense options are available?

75 Pentair H-300 0 Votes None

48 Water Filtration Systems in this range Room

Available temperature options for dispensed water.

Pentair H-300 Smart Features

What smart features are supported?

75 Pentair H-300 0 Votes None

52 Water Filtration Systems in this range Not Available

Advanced connectivity and monitoring features for convenience.

Pentair H-300 Touch-Free Dispensing

Does it have touch-free dispensing?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Indicates if water can be dispensed hands-free.

Pentair H-300 Manual Dispensing Lever

Does it have a manual dispensing lever?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Provides a manual lever option for dispensing.

Pentair H-300 Smart App Integration

Is it integrated with a smart app?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Allows monitoring and control via smartphone app.

Safety & Compliance 14

Pentair H-300 Electrical Safety Standard

What electrical safety standard does it meet?

75 Pentair H-300 0 Votes None

50 Water Filtration Systems in this range None

Compliance with electrical safety standards.

Pentair H-300 Fire Safety Standard

What fire safety standards are met?

75 Pentair H-300 0 Votes None

50 Water Filtration Systems in this range None

Fire safety compliance standards met by the system.

Pentair H-300 Electrical Ingress Protection

What is the electrical ingress protection rating?

75 Pentair H-300 0 Votes None

49 Water Filtration Systems in this range None

IP rating for protection against dust and water ingress.

Pentair H-300 Leak Detection System

Does it include a leak detection system?

No 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Detects and alerts if leaks are present.

Pentair H-300 Overpressure Protection

Does it include overpressure protection?

Yes 0 Votes Pentair H-300

Yes Water Filtration Systems in this range

Protects the system from excessive water pressure.

Pentair H-300 Certifications

What certifications does it have?

75 Pentair H-300 0 Votes NSF/ANSI 42, NSF/ANSI 53

54 Water Filtration Systems in this range NSF/ANSI 42, NSF/ANSI 53

Official safety and performance certifications.

Surveys

Because hot takes deserve votes.

Pentair H-300 Filtration Capacity

How much water can this filter process before needing replacement?

More than 1000 liters 0 Votes
500 to 1000 liters 0 Votes
300 to 500 liters 0 Votes
100 to 300 liters 0 Votes
Less than 100 liters 0 Votes

Pentair H-300 Filter Lifespan

How long does this water filtration system last before replacement is needed?

More than 3 years 0 Votes
Around 2 years 0 Votes
About 1 year 0 Votes
Around 6 months 0 Votes
Less than 3 months 0 Votes

Pentair H-300 Flow Speed

How fast does this water filtration system provide clean water?

Super quick, almost instant 0 Votes
Fast, under 1 minute per liter 0 Votes
Average, about 2 minutes per liter 0 Votes
Slow, about 5 minutes per liter 0 Votes
Extremely slow, more than 10 minutes per liter 0 Votes

Pentair H-300 Contaminant Removal

How many types of contaminants does the system filter out?

More than 10 types 0 Votes
7 to 10 types 0 Votes
5 to 7 types 0 Votes
3 to 5 types 0 Votes
Less than 3 types 0 Votes

Pentair H-300 Maintenance Frequency

How often does this system require maintenance or cleaning?

Less than once per month 0 Votes
Once per month 0 Votes
Once every two weeks 0 Votes
Once per week 0 Votes
More than once per week 0 Votes

Pentair H-300 Pricing

How do you feel about the pricing of this water filtration system?

Great value for money 0 Votes
Pretty good price 0 Votes
Fair deal 0 Votes
Kinda pricey 0 Votes
Crazy expensive 0 Votes

Pentair H-300 System Performance

How effective is this water filtration system at removing impurities?

Crystal clear and safe to drink 0 Votes
Makes water look and taste much cleaner 0 Votes
Gets rid of most common contaminants 0 Votes
Removes some visible dirt 0 Votes
Barely filters anything 0 Votes

Pentair H-300 Ease of Installation

How easy is it to set up and install this water filtration system?

Super easy — Quick setup with clear instructions 0 Votes
Pretty easy — Took a short time with minor effort 0 Votes
Average — Manageable with some guidance 0 Votes
A bit tricky — Needed tools or extra help 0 Votes
Frustrating — Complicated and time-consuming setup 0 Votes

Pentair H-300 Noise Level

How quiet or noisy is this water filtration system when in use?

Whisper quiet — Barely noticeable 0 Votes
Low noise — Gentle hum only 0 Votes
Moderate noise — Noticeable but tolerable 0 Votes
Noisy — Can be distracting 0 Votes
Very noisy — Annoyingly loud 0 Votes

Pentair H-300 Water Taste

How does the filtered water taste from this system?

Exceptionally fresh — Crisp and pure taste 0 Votes
Fresh — Clean with no aftertaste 0 Votes
Acceptable — Slightly improved from tap 0 Votes
Mildly off — Noticeable aftertaste remains 0 Votes
Unpleasant — Tastes similar to unfiltered water 0 Votes

Guides 1

Yes, we brought proof.

Files 1

Pentair H-300 User Manual

pentair.com
pentair.com

Reviews 0

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Average Rating

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Pentair H-300
Pentair H-300
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