10 Pack 6" Round x 24" Long (Total 20 Feet) - 30-Gauge Round Duct Sheet Metal Pipe - Snap Lock Vent Pipe [10 Pieces, 2' Each] Color_R-4.2 Yellow + Product Details Size - const content item 1-Way CRFG3630

+ Product Details Size - 20"w X 25"h is the size for the duct opening measurement only

+ Product Details Size - 22"w X 20"h X 2"d (for duct opening measurement only)

+ Product Details Size - 36"w X 28"h X 2"d (for duct opening measurement only)

Looks like it was just waxed

75" width X 19

10 Pack 6" Round x 24" Long (Total 20 Feet) 30 Gauge Round Duct Sheet Metal Pipe Snap Lock Vent Pipe [10 Pieces, 2' Each] Color_R 4.2 Yellow + Product Details Size const content item 1 Way CRFG3630 + Product Details Size 20"w X 25"h is the size for the duct opening measurement only + Product Details Size 22"w X 20"h X 2"d (for duct opening measurement only)