12x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 29.75) - 3 Pack Top Ceiling Box innerWidth > 749) { details

innerWidth > 749) { details

compatible with ducts of the same size

+ Product Details Size - 48"W X 4"H is (for duct opening measurement only)

our solid dryer vent pipe is made of high-quality -gauge galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection

Actual Filter Size – 17 3/4"w x 31 3/4" x 1"

12x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 29.75) - 3 Pack Top Ceiling Box innerWidth > 749) { details+ 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