3M Whole House Water Filters
Find ICEPURE replacement water filter cartridges compatible with select 3M whole house systems. Match your housing model and cartridge dimensions, then compare the filter types and pack sizes below.
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10″x2.5″ String Wound Sediment Filter Replacement for Any 10 inch RO Unit
5 Micron 4.5″ x 20″ Whole House String Wound Sediment Water Filter Cartridge for Well Water
ICEPURE 10″ x 2.5″ PP Sediment Filter for GE whole house filter FXHTC
ICEPURE 10″ x 4.5″ Grooved Sediment Filter for Whirlpool whole house filter WHKF-GD25BB
ICEPURE 20″ x 2.5″ PP20 sediment filter compatible with Aquapure water filter AP110-2C
ICEPURE CTO10-CQB 1 Micron 10 x 2.5 Inch Whole House Carbon Water Filter
CTO10-CQB · 1 micron · 10 x 2.5 inches
Lead & heavy-metal reduction. Choose your pack below.
2 Pack shown. Select your pack below.
ICEPURE CTO10-KDF 1 Micron 10 x 2.5 Inch Whole House Carbon Water Filter
CTO10-KDF · 1 micron · 10 x 2.5 inches
Carbon + KDF filtration. Choose your pack below.
2 Pack shown. Select your pack below.
ICEPURE CTO10-PFO 1 Micron 10 x 2.5 Inch Whole House Carbon Water Filter
CTO10-PFO · 1 micron · 10 x 2.5 inches
PFOA & PFOS reduction. Choose your pack below.
2 Pack shown. Select your pack below.
ICEPURE CTO20-CQB 5 Micron 20 x 2.5 Inch Replacement for Pentair whole house filter
CTO20-CQB · 5 micron · 20 x 2.5 inches
Lead-focused carbon. Choose your pack below.
1 cartridge shown. Select 1 or 2 Pack below.
ICEPURE CTO20-KDF 5 Micron 20 x 2.5 Inch Whole House Carbon Water Filter
CTO20-KDF · 5 micron · 20 x 2.5 inches
KDF + Carbon. Choose your pack below.
1 cartridge shown. Select 1 or 2 Pack below.
ICEPURE CTO20-PFO 1 Micron 20 x 2.5 Inch Whole House Water Filters
ICEPURE PP10GD 1 and 5 Micron 10 x 2.5 Inch Grooved Sediment Water Filter
ICEPURE PP20BB-CC 5 Micron 20 x 4.5 Inch Water Filter for the Whole House
ICEPURE PP20GBBD 5 Micron 20 x 4.5 Inch Grooved Sediment Water Filter
ICEPURE PPW20 5 Micron 20 x 2.5 Inch Water Filter Whole House
ICEPURE RFN20BB-CKDF 5 Micron 20 x 4.5 Inch Whole Home Water Filter
Choose the right replacement cartridge
Match the Housing
Check the housing model, cartridge dimensions, and end-cap design against the product compatibility list.
Choose the Filter Type
Compare the filter medium and model-specific specifications with the needs of your existing system.
Check Tested Claims
Review the exact cartridge documentation for tested performance and certification scope.
Plan Replacements
Follow the cartridge and housing instructions for installation, replacement intervals, and operating limits.
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FAQs for 3M Whole House Water Filters
How do I find a compatible replacement?
Match the housing model, cartridge length and diameter, and end-cap design against the product listing. Similar dimensions alone do not establish compatibility.
Are these complete systems or replacement cartridges?
Check the individual listing and package contents. These category listings focus on ICEPURE replacement cartridges; do not assume a housing, valve, or complete treatment system is included.
Are these original system-brand products?
These are ICEPURE replacement filters. Other brand names identify compatible systems; check the exact models listed for each cartridge.
What does the cartridge reduce?
Different media and cartridge models have different tested capabilities. Refer to the exact product documentation for reduction claims and certification scope.
When should I replace my cartridge?
Follow the cartridge and housing instructions for the replacement interval, capacity, and operating conditions. Do not assume a replacement cartridge lasts indefinitely or cleans itself.