18x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 23.75) - 3 Pack Victorian Floor Registers + Product Details Size &

+ Product Details Size & Compatibility – The size of the side round ceiling box is 6" X 6" X 5" and it is compatible with duct 5"

+ Product Details Size – 36"w X 6"h is the size for the duct opening measurement only

Full Control – Full 190 degrees control of air direction vertically & horizontally

+ Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille

[Outer Dimensions: 22

18x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 23.75) - 3 Pack Victorian Floor Registers + Product Details Size &+ Product Details 18" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17. 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