Mason-Lite B-Vent 12" Firestop/ Support Plate pine-cones 18" 2/12 to 5/12 Pitch

18" 2/12 to 5/12 Pitch Standard Flashing

Safety Anti-tilt Switch

Stabilizes a 2° pitch towards the condensate drain for good condensate management

Whether being used inside or out

Mason-Lite B-Vent 12" Firestop/ Support Plate pine-cones 18" 2/12 to 5/12 PitchB Vent is a GAS ONLY metal chimney with smaller diameters. For those fireplaces requiring complicated chimney runs, B Vent may be just the answer. What's Included Firestop Support Plate Features The support plate is designed to provide strength and durability for supporting large size pipe sections. Serves as a firestop. Supports up to 30 of pipe. Specifications Item Number Mason Lite 12BVFSP Product Type Firestop Support Plate Venting Type B Vent