SKU: 96434665684

#20 Slim Line Filter Housing | 1/2" FNPT | With Pressure Relief | Fits 20" Standard Water Filter | Pentair Pentek

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Description

#20 Slim Line Filter Housing | 1/2" FNPT | With Pressure Relief | Fits 20" Standard Water Filter | Pentair Pentek#20 SlimLine Filter Housing for 20" Standard Water Filter Cartridge Blue Body Black Cap Traditional Cap Design 1 2" In & Out Connections With Pressure Relief Pentair Pentek Traditional Slim Line Filter Housings are manufactured of a durable polypropylene and are designed to be compatible with most nominal 20" Standard sized filter cartridges. These 20 inch Pentek Slim Line filter housings, molded from rugged reinforced polypropylene, offer outstanding


#20 SlimLine Filter Housing for 20" Standard Water Filter Cartridge

Blue Body | Black Cap | Traditional Cap Design | 1/2" In & Out Connections | With Pressure Relief

Pentair Pentek Traditional Slim Line Filter Housings are manufactured of a durable polypropylene and are designed to be compatible with most nominal 20" Standard sized filter cartridges. These 20-inch Pentek Slim Line filter housings, molded from rugged reinforced polypropylene, offer outstanding chemical compatibility and are ideal for use in a variety of low-flow applications. These applications include undersink and countertop residential filtration, pre- and post-reverse osmosis filtration, recreational vehicle filtration, food service and humidifying systems.

Pentek 158204 features a pressure relief button on the inlet side of the cap, to release pressure before opening.

Note that the actual dimensions of 20" Standard filter cartridges vary per filter type and model - these are typically between 2" to 2⅞" OD and 20” Length.

Features and Benefits of Pentek Filter Housings

  • Slim design reduces space required for installation without sacrificing capacity
  • Available in clear or opaque sumps
  • Leak-proof seal


Pentair 158204 is Tested and Certified by NSF International to NSF/ANSI Standard 42 for material and structural integrity requirements.

20" Filter Housings Specifications

Part #: 158204
Brand Name:


 Pentek Pentair
Ametek
US Filter
Filter Housing Dimensions: 4.83" Dia. × 21.88"H
For Filter Size: (Nominal) 20" Standard
Fits Filter
Cartridge Dimensions:		 2" to 2.875" OD
20" Length
In and Out Connections: 1/2" FNPT
Housing Body (Sump) Color: Blue
Housing Cap Color: Black
Housing Cap Style: Traditional (Rib Cap)
Pressure Relief: Yes
Initial ΔP @ Flow Rate: 2 psi @ 5gpm
Maximum Pressure: 125 psi (8.8 kg/cm2)
Temperature Rating:

 40-125°F
(4.4-51.7°C)
Housing & Cap Material: Polyropylene
O-Ring Material: EPDM
Replacement O-Ring: 151121
Filter Wrench (not included): 150539


158204 is Rib Cap Style. Color shown here does not necessarily match color of product.

Popular Filters & Installation Accessories for use with 20" Standard Housings

Applications for Filter Housings for Water Filtration Cartridges

  • Home Drinking Water
  • Point of Use (POU) RO Systems
  • Under the Sink/ Under the Counter RO Systems
  • Whole-House Filtration
  • Point of Entry (POE) Filtration
  • Commercial RO Pretreatment
  • Residential RO Pretreatment
  • Residential RO Post Treatment
  • Refrigerators
  • Ice Makers
  • Factory
  • Swimming Pool
  • Restaurant
  • Farm Irrigation
  • Carbon Filters
  • Sediment Filters
  • Deionization Filters
  • Specialty Filters
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96434665684

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lesserof2weevils
West Palm Beach, US
★★★★★ 5
Just what I was looking for to slow my large dog while eating
Size: 1 Pack, Style: Pawbler, Size: 1 Pack, Style: Pawbler
I needed something for my 50-pound dog to slow down her eating. The usual slow-feeder bowls and mats weren't really slowing her down much and I wanted her to have to think a little bit. She's not smart enough for puzzles though. So I got this kibble dispensing toy. My dog is not a chewer so I don't have to worry about her destroying it. LOVE: holds a little more than a cup of kibble, dispenses different sized kibbles, heavy weight so it wobbled around a lot without going too far away, QUIET- I couldn't bear the noise of hard plastic dispensers clacking around and this one is very quiet on our hardwood floors, kept the dog busy for at least 20 minutes. It's really all I was hoping it would be. And, well, as you can see in the video, the cat is happy about it too... As with all of these dispensers, there will be a couple of kibbles left inside that are hard to get out. But that gave my dog something to do overnight. She spent a long time getting that last kibble out. The slight scent they add to the natural rubber is not a problem at all. This dispenser is absolutely worth the money, it's going to last us a very, very long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
D
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Diane
Battle Creek, US
★★★★★ 5
People are doin it wrong
Size: 1 Pack, Style: Cone
Cheap and durable and huge. The bad reviews are from people who aren’t using it right. Step 1) plug hole with a smear of peanut butter. 2) put a low calorie but appetizing mix of whatever you want: yogurt, pate, pumpkin puree, blended with frozen veggies on the walls 3) freeze cone for 30 mins. Hole will be sufficiently plugged to add liquid. 4) fill the rest with water or bone broth and freeze overnight to make it a changing ice block.
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Reviewed in the United States on May 4, 2026
A
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Amazon Customer
Omaha, US
★★★★★ 5
Our dog loves it!
My dog loves this toy! He gets to play fetch with it after his dinner, and looks forward to that time so much. Great construction!
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Reviewed in the United States on November 25, 2025
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KDM
Lowell, US
★★★★★ 5
Perfect
Fast delivery -exactly what Daisy wished for
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Reviewed in the United States on January 11, 2026
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june
Lexington, US
★★★★★ 5
Squeak isn’t too Loud or obnoxious. Good quality.
Good quality, dog loves it.
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Reviewed in the United States on July 8, 2025

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