5" Slimline Filter Housing | 1/4" In/Out | No Pressure Relief | Blue-Black | Pentek

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Brand Pentek Ametek

Pentek Ametek Water Filter Housings Pentair Water Filter Housings
Pentair Traditional Slim Line Series Filter Housings for Water Treatment Filters

Housings For 5 Inch Standard Filters | Blue Body | Blue Cap | Standard Rib Cap Design | ¼" In & Out

An Excellent Choice for Low-Flow Applications & When Space and Chemical Compatibility are Primary Concerns

Pentair Pentek Slim Line Filter Housings are designed to be compatible with most nominal #5 standard 5-inch filter cartridges.  Pentek 158138 5-inch Slim Line filter housing is molded from rugged polypropylene, offer outstanding chemical compatibility and are ideal for use in a variety of low-flow applications.  The black reinforced polypropylene housing cap with 1/4" NPT connections and four bosses for mounting.  

Pentek 158138 5-inch filter housing is ideal for a wide variety of applications, including undersink and countertop residential filtration, pre- and post-reverse osmosis filtration, recreational vehicle filtration, food service and humidifying systems.

Note that the actual dimensions of 5" Standard filter cartridges vary per filter type and model - these are typically between 2" to 2⅞" OD and 4.88" Length.

Features and Benefits of Pentek Filter Housings

  • Slim design reduces space required for installation without sacrificing capacity
  • Universal design fits most standard 5" filter cartridges
  • Molded from reinforced polypropylene, sturdy construction
  • High chemical compatibility
  • Leak-proof seal

Caution  - Protect against freezing to prevent cracking of the filter and water leakage.


Pentek 158138 5" Filter Housings Specifications

Part #: 158138
For Filter Size: (Nominal) 5" Standard
of Cartridges:
2" to 2.875" OD
4.88" Length
Housing Maximum Dimensions: 7.38" x 4.38"
In and Out Connections: ¼" FNPT
Housing Body (Sump) Color: Opaque Blue
Housing Cap Color: Black
Pressure Relief Button: No
Housing Cap Style: Ribbed/Standard
Maximum Pressure: 125 psi (8.6 bar)
Maximum Temperature: 125°F (51.7°C)
Minimum Temperature: 40°F (4.4°C)
Housing Material: Polypropylene
Cap Material:

Reinforced Polypropylene
O-Ring: EPDM
Initial ΔP @ Flow Rate: 2 psi @ 3 gpm
Replacement O-Ring: Pentek 151121
Compatible Filter Wrench: Pentek 150539

Water Filter Housings Rib Cap vs. Flat Cap

Pentek 158138 is  Rib Cap Style.

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