10x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 23.75) - 3 Pack Round Damper Ring Secure Locking Mechanism – Features

Secure Locking Mechanism – Features a permanently attached eight-tumbler lock with a supplied key for added security

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+ Product Details Size - 34"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – 24" x 24" with 6" collar T-Bar drop ceiling perforated return grill - metal back casing

10x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 23.75) - 3 Pack Round Damper Ring Secure Locking Mechanism – Features+ Product Details 10" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 9. 75" x 23. 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