12x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 29.75) - 3 Pack Width_8in actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 27 5/8" height

Comfort Meets Durability: Crafted from 1680D ballistic oxford nylon with a breathable mesh lining

With a 4" diameter for the duct opening measurement

and matte black

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

12x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 29.75) - 3 Pack Width_8in actual front end outer dimensions+ 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