12x12x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 11.75) - 3 Pack Compatible with Duct 6" Simply cut into the frame

Simply cut into the frame of your wall and the metal duct where your HVAC system is located

In the past

+ Product Details Size & Compatibility – The 7" Galvanized Sheet Metal 90 Degree Oval Vertical Angle Elbow is compatible with Duct 7"

+ Product Details Size - 16"w X 4"h is the size for the duct opening measurement only

12x12x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 11.75) - 3 Pack Compatible with Duct 6" Simply cut into the frame+ Product Details 12" x 12" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 11. 75" x 11. 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