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The Metal Fab B Vent Increaser with MPN 3MI4 is made for improving air flow in gas appliance installations. This vent increaser connects different sizes of ducting, specifically designed for a nominal size of three inches by four inches. It supports efficient venting for both residential and commercial uses, ensuring safety and proper operation.
Essential for diverse HVAC setups, this increaser is easy to install and reliable for long-term use.
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