Key Features

• [Premium & Reliable Material] Activated carbon water filter made of premium coconut shell activated carbon block, wrapped in two food-grade non-woven fabric layers to prevent carbon particles from entering the water. Tested by independent third-party to meet NSF 42 Standards for material.
• [Real 99% Filtration Efficiency] 5 micron water filter carbon cartridge adsorbs up to 99% of residual chlorine, removes tastes and odors like sulfur and chlorine smell, colors, significantly improving water quality. Use this whole house charcoal water filter with sediment filters in the 10inch x 4.5inch household water system to protect the water softener and home appliances, or use them after an inline sediment filter to filter well water or rainwater.
• [Long Service Life] The 5 micron rating of the CTO water filter makes a balance of sufficient filter efficiency and high water flux. Operates as a single 4.5x10 whole house water filter cartridge, capacity can be up to 35,000 gallons. To achieve optimum performance, we suggest to replace it every 3-6 months depending on your water quality.
• [Universal Size] 4.5x10 whole house filter for any standard 10-inch heavy duty whole house filter housings inlcluding DB10P DB10C DB10C-2, GE GXWH35F, GXWH40L, HB18B, WGB21B, American Plumber W15-PR, W10-PR, AP801T, AP801B, HF45 series, and more. Ideal replacement for 10" x 4.5" water filters like FC15B, DuPont WFHDC8001, GE FXHTC, Culligan RFC-BB, Pelican CB-BB-10, AP817, PP10BB-CC, 155548-43 EP-BB EPM-BB CBC-BB, etc.
• [On-demand Support] Assistance is available from our experts, ready to answer any of your questions about your home water filter. Have a concern or question? American-based customer support is available for the life of the product.

Specifications