FB1625 Filter Base 16 X 25 For Gas Furnace Handles 1 Inch Or 2 Inch Filters SKU: MMFB1625 Price: Price?
FB2020FC Filter Base 20 X 20 For Electric Furnace Handles 1 Inch Or 2 Inch Filters SKU: MMFB2020FC Price: Price?
FB2025 Filter Base 20 X 25 For Gas Furnace Handles 1 Inch Or 2 Inch Filters SKU: MMFB2025 Price: Price?
FB2025FC Filter Base 20 X 25 For Electric Furnace Handles 1 Inch Or 2 Inch Filters SKU: MMFB2025FC Price: Price?
FB2520FC Filter Base 25 X 20 For Electric Furnace Handles 1 Inch Or 2 Inch Filters SKU: MMFB2520FC Price: Price?