TO ORDER YOUR LIFETIME FURNACE/ AC FILTER(S), SIMPLY CHOOSE THE PROPER SIZE FROM THE DROP DOWN MENU AND PROCEED TO CHECK OUT.

FOR CUSTOM SIZE (S), CHOOSE "CUSTOM SIZE" FROM THE DROP DOWN MENU AND PROCEED TO CHECK OUT WHERE YOU WILL BE ASKED TO ENTER THE CUSTOM SIZE. FILTERS CAN BE CUT DOWN TO 1/8 INCH. (EXAMPLE 12 1/8 X 22 5/8.)