Magnetic Vent Covers 4 PCS - HVAC Premium Anisotropic 1.5mm Optimal Thickness - 15.5" X 8" - for Wall, Floor, Ceiling Vent Covers - Trap & Seal Air Color_Red Oak Mounted with frame and bayonet

Mounted with frame and bayonet joint which are included

Actual Filter Size – 33 3/4"w x 11 3/4" x 1"

Actual Filter Size – 17 3/4"w x 27 3/4" x 1"

Pressure rating: 2300 to 6500 psi

+ Product Details Size - 30"w X 30"h X 2"d (for duct opening measurement only)

Magnetic Vent Covers 4 PCS - HVAC Premium Anisotropic 1.5mm Optimal Thickness - 15.5" X 8" - for Wall, Floor, Ceiling Vent Covers - Trap & Seal Air Color_Red Oak Mounted with frame and bayonet+ Product Details Cut into any shape & size With an original dimension of 15. 5" X 8" inch, you can cut or trim your vent cover to more precisely fit your air vent. Strongest Magnets Our anisotropic magnetic vent covers provide the strongest magnetization and seal to your register grilles, vents or diffusers and can even be installed on ceiling vents unlike most magnetic vent covers in the market today. Thickest Vent Covers Our magnetic vent covers