14x20x4 Merv 13 Universal Air Filter By Tier1 (6-Pack) Hydrologic 5" x 10" Big Blue

5" x 10" Big Blue housings OEM Equivalent Pentek R30-BB

With as little as one to two drops for each O-ring

based on your water quality

Order this two-pack of P1-D Culligan whole house water filter replacement cartridges today

Dive in with Tier1

14x20x4 Merv 13 Universal Air Filter By Tier1 (6-Pack) Hydrologic 5" x 10" Big BlueOur Tier1 14x20x4 Air Filter MERV 13 comes in a 6 Pack. These pleated high capacity filters are constructed using electrostatically charged filter media. This 100% synthetic 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