B-Vent Adjustable Length Female Adapter 4"

For those installing specialists and building code authorities who may prefer the use of a female adapter in contrast to simply sheet metal screws. The female adapter is adjusted and the adapter clamp is tightened to competitive brand of B-Vent.

Type-B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist-lock connection and locking tab, eliminating the need for sheet metal screws. Metal-Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal-Fab Type-B Gas Vent products 3"-6" adapt to major competing brands and when installed establish a UL Listed connection.*

*Product description provided by manufacturer.