Hart & Cooley RN Vent Increaser, Round, 3 - 6 Inch, 3-13/16 x 6-1/2 Inch OD Diameter, 5-1/4 Inch Height, 0.018 Inch Outer, 0.12 Inch Inner Thickness, 550 deg F, Aluminum Inner, G-90 Steel Outer, Galvanized, For Use With: Type B Gas Vent Systems, Includes: Locking Band
- Round gas vent pipe and fittings
- Inner and outer pipe curled together as an integral unit
- Unique locking band provides 360 deg turning radius of the pipe and fittings
- Galvanized outer pipe and aluminum inner pipe providing protection against corrosion and external damage
Standard/Approvals: UL Listed