SG4 Air Filter Media for Aprilaire SpaceGard Air Cleaner 401 2400 X0577 MERV 11 $23.99 $23.99 Add to Cart
SG4-4 4 PK Air Filter Media for Aprilaire SpaceGard Air Cleaner 401 2400 MERV 11 $84.06 $84.06 Add to Cart
SG4-6 6 PK Air Filter Media for Aprilaire SpaceGard Air Cleaner 401 2400 MERV 11 $106.77 $106.77 Add to Cart
SGM-2 2 PACK Replacement Filter for Aprilaire SpaceGuard 201 2200 2250 MERV 11 $49.29 $49.29 Add to Cart
SGM-4 4 PACK Replacement Filter for Aprilaire SpaceGuard 201 2200 2250 MERV 11 $87.82 $87.82 Add to Cart
SGM-5 5 PACK Replacement Filter for Aprilaire SpaceGuard 201 2200 2250 MERV 11 $107.80 $107.80 Add to Cart
SGM-6 6 PACK Replacement Filter for Aprilaire SpaceGuard 201 2200 2250 MERV 11 $123.48 $123.48 Add to Cart