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

KDF, activated carbon and resin filtration

A 5-micron Whole Home Water Filter replacement combining granular activated carbon, KDF media and resin for compatible 20 x 4.5-inch systems.

• GAC, KDF and resin filtration format
• Designed for iron, manganese and heavy-metal filtration
• One replacement cartridge

Match your full housing model, cartridge dimensions, end caps and seals before ordering.

Replacement references: FM25B, RFFE20-BB and CFRFFE-20BB. Check your housing manual.

Check the 1-cartridge pack and the 20 x 4.5-inch nominal format against your housing before ordering.

For a new setup, match the housing first, then choose the filtration purpose for your water conditions.

Compare an existing 20 x 4.5-inch filter. Check the listed housing compatibility.

How do I confirm fit?

Check your full housing model, cartridge dimensions, end caps and seals.

When should I replace it?

Follow the cartridge and housing instructions. Water quality and household use affect replacement timing.