ICEPURE 2-Stage 20" x 4.5" Whole House Water Filter Combo Set, 20 Inch CTO Carbon Block Cartridge and KDF Heavy Metal Removal Water Filter Replacement for FC25B, CB-BB-20, DB20P, Pack of 1

High Efficiency Filtration - The ICEPURE CTO20BB whole house water filter has passed the certification of the international standard NSF/ANSI 42, with a filtration accuracy of 1 micron. It can effectively reduce chlorine, odor and taste in water, effectively improve water quality, reduce scale, and provide you and your family with a wonderful drinking experience.

Deep Purification - The 20" x 4.5" KDF water filter composed of KDF and activated carbon works in synergy to achieve deep purification and address more complex water quality issues. It outperforms ordinary 20 inch whole house water filter and can efficiently and comprehensively remove heavy metals such as lead and mercury through oxidation-reduction reactions.

High Quality - The raw materials of our 2-stage whole house water filter replacement cartridge have been carefully selected through multiple layers of screening. We choose high-quality coconut shell activated carbon, food-grade materials, lead-free and BPA-free. The superior materials ensure that the CTO carbon block filter not only guarantees excellent filtration performance but also has an extremely long service life and stable reliability.

Super Large Filtration Capacity - This 20" x 4.5" CTO activated carbon filter has achieved an extremely large filtration capacity through material science and structural engineering design. Each water filter replacement cartridge can handle 100,000 gallons of water. The dual-core combination can meet the water demand of a household for 6 to 12 months, significantly reducing the frequency of replacement.

Extensive Compatibility - This 20-inch water filter adopts a universal interface design and is compatible with most 20" x 4.5" whole house water filtration systems on the market. Compatible with FC25B, CB-BB-20, EPM-20BB, EP-20BB, NCP-20BB, CB-45-2005, CB-45-2010, WCBCFF20, DB20P, CTO-F20B-5 F3WGB32BM, 84642, 84641, 155783-43, CBC-20BB,etc.