Nortech Guardair® Foam Exhaust Silencer Insert, Foam Exhaust Silencer Insert Item, Insert For "B, D, & S" Venturi, Grey, For Use With: 15, 30, and 55-gal. Units, Material: Polyurethane, Size: 13.5" Length x 4.5" dia.
- Genuine Nortech replacement part
- Sound absorbing foam insert functions as muffler to reduce noise levels
- 40 percent closed cell vinyl sponge