Replacement For FILTER 17X21X1 MERV 8 MPR 800 12 PIECES ACTUAL SIZE 17 X 21 X 075 MADE IN THE USA FILT FILTERS CARTRIDGES AC, AIR CONDITIONING AND FURNACE.
Replacement For FILTER 17X21X1 MERV 8 MPR 800 12 PIECES ACTUAL SIZE 17 X 21 X 075 MADE IN THE USA FILT FILTERS CARTRIDGES AC, AIR CONDITIONING AND FURNACE.