- Palm Harbor, Florida, United States
- Jun 9th
(Qty: 4) Metal-Fab B-Vent 3' Pipe Length - 3M3 Metal-Fab's round and oval Type-B vent is listed by Underwriters Laboratories for use with approved category 1 gas furnaces, heaters, and boilers. A category 1 appliance operates with a non-positive vent static pressure. The double wall design of B-vent enables the product to be used in homes and commercial buildings at close clearance to combustible.