10 X 2.5 String Wound Polypropylene Replacement Filter by Tier1 (30 micron)

Price $4.99
Availability: In stock
Choose a quantity
  • 1 Filter $4.99  
  • 3 Filters Price $4.79 each
  • 6 Filters Price $4.59 each
  • String-Wound Polypropylene filter media
  • Brings you cleaner water along with an easy installation
  • 30 day 100% satisfaction guarantee
  • Fits many standard 10 inch by 2.5 inch housings
See more product details
The Pentek CW-MF comparable water filter by Tier1 is a 10 x 2.5-inch whole house sediment water filter for whole house applications that require the reduction of rust, scale, silt, sand and dirt. The String-Wound Polypropylene filter media reduces particles down to 30 microns, providing cleaner, fresher and better tasting drinking water for your home. Order today!
Package Qty 1
Used In Brands 3M, Ace, American Plumber, Ametek, Aqua-Pure, Culligan, GE, Hydronix, Keystone, Liquatec, Pentek, Tier1, Watts
Manufacturer's Id CW30-934
UPC 700355941019
Advertised Size (in) 10 x 2-1/2
Actual Size (in) 9 3/4 inches (length) x 2 1/2 inches (outside diameter)
Actual Size (cm) 24.765 x 6.35
Media String Wound Polypropylene
Primary Filter Media Polypropylene
Filter Life (gallons) 16,000
Filter Life (liters) 60,566.6
Filter Life (months) 4 months
Micron Rating (Nominal) 30
Operating Temperature (°F) 40 - 165
Operating Temperature (°C) 4.4 - 73.9
Flow Rate (gpm) 10
Flow Rate (lpm) 37.854
Color White
Warranty Guarantee Unconditional Product Guarantee for Life of the Product

Reduced Contaminants

The TIER1-CW30-934 reduces the following contaminants:

  • Dirt
  • Hard Scale
  • Limescale
  • Oxidized Iron
  • Particles
  • Sand
  • Silt

The TIER1-CW30-934 is comparable with the following part numbers

34360 155187-43 155187-52 Ace Hardware 48237
American Plumber W30W Ametek Kleen-Plus C1 Culligan CW-MF Culligan D-10
CW-MF Do It Best 487155 Keystone W30 Master Plumber 583-401
OB1 OB5 Omni Regular Pentek CW-MF
RS3DS RS3-DS RS3-DS12-01 RS3-DS12-02
RS3-DS12-06 RS3-SS RS3-SS24-05 Teledyne Pik IR-25
True Value 583-401 U24 U25 U26
W30W W34-PR WC34-PR WVC34

The TIER1-CW30-934 fits the following model numbers

AP101 AP101S AP101-S AP101T
AP101-T AP102 AP102S AP102-S
AP102T AP102-T AP11 AP110
AP-110 AP11S AP11-S AP11T
AP11-T AP12 AP12S AP12-S
AP12T AP12-T AP1610 AP1610SS
AP1610-SS AP2610 AP2610SS AP2610-SS
AP51T AP51-T K00173 Purtrex 93023
PX05-9-7-8 PX-5-978 SS1 SS10
SS11 SS12 SS2 SS3


  1. Turn off water supply. Press red pressure-relief button (if present)
  2. Unscrew housing. Remove large o-ring, wipe clean and set aside
  3. Discard used filter cartridge. Wash housing with dish soap and warm water using a nonabrasive sponge or cloth. Rinse thoroughly
  4. Fill 1/3 with water. Add about 1 tablespoon of bleach and scrub to disinfect. Rinse thoroughly
  5. Lubricate o-ring with clean silicone grease. Change o-ring if any damage cuts or degradation are present. Insert o-ring in groove
  6. NOTE: This step is important to ensure a proper housing seal. Make certain the o-ring is seated level in the groove
  7. Insert new filter cartridge
  8. Screw housing onto the cap and hand-tighten. Do not over tighten. Make sure cap standpipe slips into cartridge
  9. Turn on water supply. Press pressure-relief button (if present). Check for leaks before leaving installation

Reset Instructions