New Part Number B4bvws 4 Wall Strap

Fuel Type: Gas, Liquid Propane. Inner Diameter: 4''. Width: 4.625''. Provides Support for Offsets and Horizontal Runs. Use also with DuraConnect or DuraConnect II. Wall Strap Legs can be Rotated 360 Degrees to Conceal Screw. This Aluminum Wall Strap with 4 Inch Inner Diameter from the Round Gas Vent series is a Type B gas component and consists of the duralock system for a tight seal. Use to provide support for offsets and horizontal runs. Recommended every 4' to support vertical common vent. Use also with DuraConnect or DuraConnect II. 10'' Type B gas vent (11'' OD) uses a 7'' DuraPlus Chimney Wall Strap. Wall Strap legs can be rotated 360 degrees to conceal screw.