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.

Showing all 16 results

10″x2.5″ String Wound Sediment Filter Replacement for Any 10 inch RO Unit

10 reviews Original price was: $37.52.Current price is: $24.99.
Earn up to 2 points. This product has multiple variants. The options may be chosen on the product page

String-wound sediment filtration for compatible 10″ × 2.5″ housings. Choose the 4-pack below.

Choose your filtration

5 Micron 4.5″ x 20″ Whole House String Wound Sediment Water Filter Cartridge for Well Water

Price range: $53.99 through $95.99
Earn up to 10 points. This product has multiple variants. The options may be chosen on the product page

5-micron string-wound sediment filtration for compatible 20″ × 4.5″ housings.

Choose your filtration

ICEPURE 10″ x 2.5″ PP Sediment Filter for GE whole house filter​ FXHTC

121 reviews Price range: $27.99 through $29.99
Earn up to 3 points. This product has multiple variants. The options may be chosen on the product page

PP sediment filtration for a compatible 10″ × 2.5″ housing. Choose the existing 1-, 5-, 10- or 20-micron rating in the 4-pack.

Choose your filtration

ICEPURE 10″ x 4.5″ Grooved Sediment Filter for Whirlpool whole house filter WHKF-GD25BB

17 reviews Original price was: $57.99.Current price is: $37.99.
Earn up to 4 points. This product has multiple variants. The options may be chosen on the product page

5-micron grooved PP sediment filtration for compatible 10″ × 4.5″ housings. Choose the existing 3-pack below.

Choose your filtration

ICEPURE 20″ x 2.5″ PP20 sediment filter compatible with Aquapure water filter AP110-2C

Price range: $45.99 through $46.99
Earn up to 5 points. This product has multiple variants. The options may be chosen on the product page

PP sediment filtration for compatible 20″ × 2.5″ housings. Choose the existing 5- or 20-micron rating below.

Choose your filtration

ICEPURE CTO10-CQB 1 Micron 10 x 2.5 Inch Whole House Carbon Water Filter

Price range: $32.39 through $53.99
Earn up to 5 points. This product has multiple variants. The options may be chosen on the product page

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

Price range: $33.29 through $53.19
Earn up to 5 points. This product has multiple variants. The options may be chosen on the product page

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

Price range: $35.99 through $59.99
Earn up to 6 points. This product has multiple variants. The options may be chosen on the product page

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​

Price range: $35.99 through $65.99
Earn up to 7 points. This product has multiple variants. The options may be chosen on the product page

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

Price range: $39.99 through $68.39
Earn up to 7 points. This product has multiple variants. The options may be chosen on the product page

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

Price range: $56.99 through $92.99
Earn up to 9 points. This product has multiple variants. The options may be chosen on the product page

CTO20-PFO · 20 x 2.5 inches · 1 micron

PFOA & PFOS reduction. Choose the option that matches your existing system.

1 Pack shown · 1 micron.

ICEPURE PP10GD 1 and 5 Micron 10 x 2.5 Inch Grooved Sediment Water Filter

Price range: $17.99 through $31.99
Earn up to 3 points. This product has multiple variants. The options may be chosen on the product page

PP10GD · 10 x 2.5 inches · 1 micron / 5 micron

Grooved sediment filtration. Choose the option that matches your existing system.

3 Pack shown · 1 micron.

ICEPURE PP20BB-CC 5 Micron 20 x 4.5 Inch Water Filter for the Whole House

Price range: $57.99 through $95.99
Earn up to 10 points. This product has multiple variants. The options may be chosen on the product page

PP20BB-CC · 20 x 4.5 inches · 5 micron

Sediment & carbon filtration. Choose the option that matches your existing system.

2 Pack shown · 5 micron.

ICEPURE PP20GBBD 5 Micron 20 x 4.5 Inch Grooved Sediment Water Filter

Original price was: $99.99.Current price is: $69.99. $69.99
Purchase & earn 7 points!

PP20GBBD · 20 x 4.5 inches · 5 micron

Grooved sediment filtration. Choose the option that matches your existing system.

3 Pack shown · 5 micron.

ICEPURE PPW20 5 Micron 20 x 2.5 Inch Water Filter Whole House

Original price was: $79.99.Current price is: $49.99. $49.99
Purchase & earn 5 points!

PPW20 · 20 x 2.5 inches · 5 micron

String-wound sediment filtration for well water. Choose the option that matches your existing system.

6 Pack shown · 5 micron.

ICEPURE RFN20BB-CKDF 5 Micron 20 x 4.5 Inch Whole Home Water Filter

Original price was: $115.99.Current price is: $85.99. $85.99
Purchase & earn 9 points!

RFN20BB-CKDF · 20 x 4.5 inches · 5 micron

KDF/GAC resin filtration. Choose the option that matches your existing system.

1 Pack shown · 5 micron.

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.

Why Choose IcePure?

Made for Your Home

Explore products that fit your space and routine.

Returns & Warranty

Eligibility and time limits follow our Refund and Returns Policy.

Free Shipping

Free shipping on all contiguous U.S. orders. No minimum.

Online Technical Support

Get help with compatibility, installation guidance, and troubleshooting.

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.