12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – Corner Direction with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] 6" Diameter Ideal for Walls & Ceilings: RFGF1212 Rigid Design Noise Free Oval to Round 90-Degree Boot

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 10" duct openings

+ Product Details Size – 24"w X 30"h is the size for the duct opening measurement only

2 IN A PACK - 4 Inch Diameter Pipe – 10 Foot Length When Connected – 30 Gauge Thick & Made of Thick & Durable Galvanized Sheet Metal - Used For HVAC System Duct Work In Any Building or Home

Just snap the seam together and that's it

+ Product Details Size – 26"w X 10"h is the size for the duct opening measurement only

12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – Corner Direction with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] 6" Diameter Ideal for Walls & Ceilings: RFGF1212 Rigid Design Noise Free Oval to Round 90 Degree Boot Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 10" duct openings + Product Details Size – 24"w X 30"h is the size for the duct opening measurement only