20x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 21.75) - 3 Pack Wall Angle Register Boot Robust 1680D Polyester Canvas Fabric

Robust 1680D Polyester Canvas Fabric Material

actual front end outer dimensions are approximately 2" wider

please note that the total outer dimensions of the grille measure 12" in diameter

compatible with duct 7"

+ Product Details Size – 12" x 18" or 18" x 12" is the size for the duct opening measurement only

20x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 21.75) - 3 Pack Wall Angle Register Boot Robust 1680D Polyester Canvas Fabric+ Product Details 20" x 22" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19. 75" x 21. 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