Product Details
- Size (In)3 x 4 in
Description
The Metal-Fab 3MIN4 is a double wall B-Vent increaser designed for use with approved Category 1 gas appliances. This increaser transitions from a three-inch diameter to a four-inch diameter, ensuring a safe and efficient venting solution.
- Double wall design for safety and efficiency.
- Tool-free assembly with positive twist lock.
- UL listed for compatibility with other venting systems.
The Metal-Fab design allows for easy rotation and installation, making it suitable for both residential and commercial applications.