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The METAL-FAB 4MFT Type B-Vent is designed for use with category I natural gas-burning and propane-fired appliances. It meets requirements set by UL 441, ensuring safety for gas appliances. The innovative design features a twist-lock connection with a locking tab, making installation straightforward without the need for sheet metal screws.
Ideal for gas boilers, fireplaces, furnaces, unit heaters, and radiant tube heaters, this product offers a safe and reliable venting option.
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