4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] Insulated Line Set Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 6" duct openings

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

For 12" Round Duct Opening - Spiral or Flex

lubricate the pump’s moving parts as per the manufacturer’s recommendations

+ Product Details Size – 26"w X 34"h is the size for the duct opening measurement only

4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] Insulated Line Set Ideal for Walls & Ceilings:4" X 25' Round Duct Sheet Metal Pipe 5 PACK of 5' pipes 30 Gauge Galvanized Crimped End Connection 5 IN A PACK 4 Inch Diameter Pipe 25 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 HIGH QUALITY High Quality Galvanized Sheet Metal with Crimped Ends (Snap Lock Design) For Easy Fitting and Secure Connection To Consecutive Duct Joints Made of Galvanized