Koch Air Filter 20 x 24 x 2 MERV 8 Pleated Air Filter - 12 Pack Water Filters We recommend that you change Include Filter Frames:With Frames DFS-CAR-SF461-PK2-MID Geothermal Air Filters Filter Details

We recommend that you change your HEPA filter every 3 to 5 years under normal operating conditions

MERV Rating 11 Length 7

for use with systems with serial numbers 400 and higher

The HC800FD and compatible replacement filters are eligible for Abatement Advantage volume discount pricing

Working Pressure Range: 30-125 PSI

Koch Air Filter 20 x 24 x 2 MERV 8 Pleated Air Filter 12 Pack Water Filters We recommend that you change Include Filter Frames:With Frames DFS CAR SF461 PK2 MID Geothermal Air Filters Filter Details We recommend that you change your HEPA filter every 3 to 5 years under normal operating conditions MERV Rating 11 Length 7