8"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 5.25"H] Curved Blade Steel Strong Sharp Cut – Straight actual front end outer RFG1818 Black Welding & Soldering

Strong Sharp Cut – Straight Cuts - blade does not bend or break - uses SK5 Japanese alloy steel V blade for one point cut

+ Product Details Size - 14"w X 10"h is the size for the duct opening measurement only

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compatible with duct 8" | 10-Pack of 2' pipe – 20 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

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

8"W X 4"H [Duct Opening] Linear Aluminum Clip On Bar Return Air Grille [Outer Dimensions: 9.25"W x 5.25"H] Curved Blade Steel Strong Sharp Cut – Straight actual front end outer RFG1818 Black Welding & Soldering Strong Sharp Cut – Straight Cuts blade does not bend or break uses SK5 Japanese alloy steel V blade for one point cut + Product Details Size 14"w X 10"h is the size for the duct opening measurement only