Whole House Systems
  • Drinking Water Systems
  • Replacement Filters
  • verified_user Warranty Info
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product
    Tier1

    TIER1-CW30-934

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

    • 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

    format_list_bulleted Features & Specs
    Package Qty: 1
    Manufacturer: Tier1
    Manufacturer's Id: CW30-934
    UPC: 700355941019
    Actual Size (in): 9 3/4 inches (length) x 2 1/2 inches (outside diameter)
    Media: String Wound Polypropylene
    Primary Filter Media: Polypropylene
    Operating Temperature (°F): 40 - 165
    Operating Temperature (°C): 4.4 - 73.9
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product
    Brand: Tier1
    Advertised Size: 10 x 2-1/2
    Depth (in): 2.25 in
    Length (in): 9.34 in
    Outside Diameter (in): 2.5 in
    Width (in): 2.25 in
    Media Type: Sediment Filter
    UPC's For Search: 47087200480 | 47087300074 | 51678187432 | 51678187524 | 700355941019 | 10047087300071 | 10051678187439 | 20047087200484 | 100047087300073
    Micron Rating Nominal: 30
    description Instructions
    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
    warning_amber Contaminants Reduced
  • Dirt Sand Sediment
  • Hard Scale
  • Limescale
  • Oxidized Iron
  • Particles
  • Sand
  • Silt
  • filter_alt Filter Life
    Filter Life (gallons): 6 months
    verified_user Warranty Info
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product

    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!


    TIER1-CW30-934   is comparable with the following part number(s)

    • 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
    • PENTEK-CW-MF
    • R12
    • R14
    • RS3
    • 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
    • RB-AP-110

    TIER1-CW30-934   fits the following model number(s)

    • 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
    • SS4
    • SS5
    • SS6
    • SS7
    • SS8
    • SS9
    • CULLIGAN-HF-150
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