20x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 29.75) - 3 Pack Straight Register Boot this product is a testament

this product is a testament to durability and ease of use

this specific model incorporates an extra layer of felt to effectively dampen sound

+ Product Details Size & Compatibility – The galvanized sheet metal oval stack head is compatible with Duct 6"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 28" or 28" x 8" duct opening (measured at the opening)

20x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 29.75) - 3 Pack Straight Register Boot this product is a testament+ 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