5 Pack 7" Round x 24" Long (Total 10 Feet) - 30-Gauge Round Duct Sheet Metal Pipe - Snap Lock Vent Pipe [5 Pieces, 2' Each] 18in diameter Item Size: 280 x 125 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Item Size: 280 x 125 x 135 mm

Actual Filter Size – 33 3/4"w x 25 3/4" x 1"

+ Product Details Size - 8"w X 22"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 10" duct openings

+ Product Details Size - 16"w X 16"h is the size for the duct opening measurement only

5 Pack 7" Round x 24" Long (Total 10 Feet) 30 Gauge Round Duct Sheet Metal Pipe Snap Lock Vent Pipe [5 Pieces, 2' Each] 18in diameter Item Size: 280 x 125 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Item Size: 280 x 125 x 135 mm Actual Filter Size – 33 3 4"w x 25 3 4" x 1"