20x30x4 Filtrete 600 Dust Reduction Clean Living Comparable Filter by Tier1 (6-Pack) Parts and Accessories reducing the need for frequent

reducing the need for frequent replacements

4 1/2 by 20" design allows for higher flow rate is ideal for whole house systems and other high flow rate applications

dirt and rust

and mineral deposits

The Pentek ECP20-BB Sediment Water Filter media is pleated around a rugged polypropylene core for additional strength

20x30x4 Filtrete 600 Dust Reduction Clean Living Comparable Filter by Tier1 (6-Pack) Parts and Accessories reducing the need for frequentOur Tier1 P85S. 642030 20x30x4 MERV 8 Air Filters (6 pack) are pleated high capacity filters 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