Product details:

Find the best selection of gas infrared tube heater accessories, gas heater blowers, thermostats, installation accessories, and more at Zoro. Here is some additional information about Dayton Sidewall Venting Kit. Includes: A 4 Side Wall Vent Cap, 4 Wall Thimble, 18 B Vent and B to C Adapter.Dayton Compatible with Product Type; Commercial Tube Heaters.
Dayton Compatible with Product Type; Steel Material; (1) 4 in Wall Thimble Includes; Galvanized Finish; (1) B to C Adapter Includes; 8.