20x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 29.75) - 3 Pack Insulated Line Set 75"H – fits a 8"

75"H – fits a 8" X 6" duct opening

actual front end outer dimensions are approximately 20 5/8" width X 26 5/8" height

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

Suitable for both commercial and residential settings

+ Product Details Size – The size 30-gauge stick-on collar is 12" and it is compatible with duct 12"

20x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 29.75) - 3 Pack Insulated Line Set 75"H – fits a 8"+ Product Details 20" x 30" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19. 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