Pentek WP5 String-Wound Water Filters (9-7/8-inch x 2-1/4-inch)

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Pentek WP5 String-Wound Water Filters (9-7/8-inch x 2-1/4-inch)

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Fits most stand housings built for 10-inch x 2.5-inch filter cartridges

  • Ships fast!
  • Ideal for municipal and well water applications
  • Reduces contaminants down to 5 microns in size
  • Sized perfectly for excellent under sink or point-of-use
  • Supports a flow rate of up to 5 gallons per minute (gpm)
  • String wound Polypropylene filter provides high surface area for great filtration
Price: $6.99 (Retail Price: $10.07 )
    • Quantity
    • Unit Price
    • 1 - 2
    • $6.99
    • 3 - 5
    • $6.79
    • 6 +
    • $6.59
  • Ships fast!
  • Ideal for municipal and well water applications
  • Reduces contaminants down to 5 microns in size
  • Sized perfectly for excellent under sink or point-of-use
  • Supports a flow rate of up to 5 gallons per minute (gpm)
  • String wound Polypropylene filter provides high surface area for great filtration

Pentek WP-5 Filter Advantages

The Pentek WP-5 water filter's string-wound design reduces fine sediment from a variety of fluids. The Pentek WP-5 water filter withstands temperatures up to 165 F (73.9 C). Pentek WP-5 sediment filter cartridges are manufactured from a durable polypropylene cord that is wound around a rigid polypropylene core. They are an economical solution to reduce fine sediment, including sand, silt, rust and scale particles. The WP5 water filter cartridges are wound in a precise pattern around the core providing greater surface area. The result is higher dirt-loading capacity and greater efficiency than standard wound cartridges like the CW Series. Nominal 5 micron Pentek WP5 polypropylene wound water filter cartridge. The WP-5 cartridges are suitable for a wide variety of sediment filtration applications, including municipal and well water as well as many industrial fluids.

Polypropylene Filter Media

Polypropylene constructed filters inhibit bacterial growth making them an ideal option for both municipal and well water applications. These filters are effective at capturing contaminants such as sand, sediment, silt, and more. Unlike carbon filter cartridges you wont have to worry about small carbon fines potentially spilling into your water, while still enjoying the benefits of filtered water throughout your home. Polypropylene filters are great for whole house water filtration and can be used as effective pre-filters for whole house or point of use systems.

Universal Filter Sizing

The 10 X 2.5 inch Pentek WP-5 string wound polypropylene replacement filter is built to fit 10-inch x 2.5-inch filter housings. This standard sizing allows this filter to easily replace existing styles of whole house filters for housings requiring 10 x 2.5 inch filters. The WP-5 goes to work immediately providing cleaner, fresher water for up to six months. Enjoy cleaner better water with your whole house replacement filter today.

NOTE: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.

For more information please see the related tabs above and read the Pentek WP-5 User Guide

  • Genuine OEM Product
Reduces the following contaminants:
  • Dirt
  • The PENTEK-WP-5 does not reduce fluoride
  • Particles
  • Rust and Corrosion
  • Sand
  • Sediment
  • Silt
Used In Brands American Plumber, Ametek, Bruner, Culligan, Kleen-Plus, Pentair, Pentek, Plymouth Products, US Filter
Manufacturer's Id WP-5
UPC 051678071434
Advertised Size (in) 10 x 2-1/2
Actual Size (in) 9 7/8 inches (length) x 2 1/4 inches (outside diameter)
Actual Size (cm) 25.08 x 5.715
Media String Wound Polypropylene
Primary Filter Media Polypropylene
Filter Life (months) 6 months
Micron Rating (Nominal) 5
Operating Temperature (°F) 40 - 165
Operating Temperature (°C) 4.4 - 73.9
Flow Rate (gpm) 10.00
Flow Rate (lpm) 37.85
Color / Finish White
Includes One 9-7/8 x 2-1/4 Inch Pentek WP5 String-Wound Water Filter
Primary Filter Media String-Wound Polypropylene
  • Water Filter Housings for the Pentek WP-5 filter:
  • 155071 Pentek WP5 filter fits in housings for 10 inch water filters.
  • Fits Culligan / USFilter / Ametek / Pentek / Bruner / Cuno / Harmsco / Keystone / Kleen Plus / Plymouth Products10" Standard Whole House Water Filter System
  • Fits Culligan HF-360 Whole House Water Filter System
  • Fits OmniFilter OT-32 Water Filter System (Stage 1)
  • Fits OmniFilter OT32 Water Filter System (Stage 1)


  • Pentek WP-5 Filter is a Replacement For:
  • Whirlpool WHKF-WHSW Water Filter
  • Whirlpool WHKFWHSW Water Filter
  • American Plumber WP-5
  • Ametek WP-5
  • Bruner WP-5
  • Culligan WP-5
  • Liquatec SWF-25-1005
  • OmniFilter / Omni Filter RS2 / RS2-SS / RS2-DS / RS5 / RS5-SS24 / RS5-DS
  • Plymouth Products WP-5
  • US Filter WP-5
  • OmniFilter RS2SS
  • TIER1-RS5-934

Instructions