21 1/2x21 1/2x1 Merv 8 Universal Air Filter By Tier1 (6-Pack) Proproducts_bucket The AP117 Comparable GAC water

The AP117 Comparable GAC water filter by Tier1 is manufactured for use with many national brand whole house water filtration systems that use standard 10 inches by 2-1/2 inch water filters

The Tier1 Replacement O-ring and Lubricant Kit For Whole House Systems is designed for applications that use a 2

you should plan to replace this cartridge every six months

As an added bonus

5 inch cartridges

21 1/2x21 1/2x1 Merv 8 Universal Air Filter By Tier1 (6-Pack) Proproducts_bucket The AP117 Comparable GAC waterOur Tier1 MERV 8 are pleated high capacity filters constructed with 100% synthetic material. This material offers significantly higher particulate efficiency than typical poly cotton media pleated filters, and captures the smallest and most troublesome airborne particles and allergens, such as particles that carry viruses and bacteria, pollen, mold spores, fine dust and pet dander. The combination of high efficiency, allergen reduction, and low cost