18x12x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 11.75) - 3 Pack 8in diameter this grille offers durability and

this grille offers durability and resistance to rust and corrosion

ensuring longevity and durability

ceiling or ceiling tiles

Applications – The snap collar duct board fitting is used as a main duct or plenum

+ Product Details Size - 24"w X 22"h X 2"d (for duct opening measurement only)

18x12x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 11.75) - 3 Pack 8in diameter this grille offers durability and+ Product Details 18" x 12" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17. 75" x 11. 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