Pentek BB DGD-7525 4.5 x 10 Dual Gradient Polypropylene Melt Blown Sediment Cartridge Payne Air filters are ranked in

Air filters are ranked in a minimum efficiency rating value (MERV) system

10x20x1 MERV 8 Air Filter - Box of 6

Manual calibration is performed to a single point

We are very proud that we offer these great 24x24x1 MERV 13 filters now for homes

We are very proud that we offer these great 16x16x1 MERV 11 filters now for homes

Pentek BB DGD-7525 4.5 x 10 Dual Gradient Polypropylene Melt Blown Sediment Cartridge Payne Air filters are ranked inThe Pentek Big Blue DGD 7525 10 inch x 4 1 2 inch Dual Gradient Polypropylene Melt Blown Sediment Cartridge is manufactured from pure 100% polypropylene fibers. Additionally, the polypropylene construction provides superior chemical resistance and is not prone to bacterial attack. It combines lasting value and useful features that make it a valuable addition to the water filter system. Features: Manufactured from pure 100% polypropylene Designed for