Builders Best V230 Flexible Pipe PRO Plain Ends 4inch X 8ft.

The V230 PRO plain ends is a Class 0 Duct used as supply, return or exhaust. It solves the need for a stronger than average general purpose venting duct. Our factory crimp ensures smooth connections. Designed for low and medium operating pressuresMade of non-combustible corrugated aluminumPlain endsShips compressed to 24″Same strength as V330Thicker wall than V220