12x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 29.75) - 3 Pack Top Ceiling Box + Product Details Size &

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 14" X 4" X 7"

compatible with ducts of the same size

+ Product Details Size - 48"W X 4"H is (for duct opening measurement only)

while its modern design complements any space

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12x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 29.75) - 3 Pack Top Ceiling Box + Product Details Size &+ Product Details 12" x 30" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 11. 75" x 29. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint