![4" Combustion Air Termination Cap](https://www.gordosales.com/wp-content/uploads/2018/11/CombustionAirCap-700px.jpg "4" Combustion Air Termination Cap 1")
Description
4″ Combustion Air Termination Cap
- Heavy gauge aluminum construction
- Eliminates downward draft
- For Fresh Air (Combustion Air) duct termination
- Fits Type B or single wall flue pipe for SIR, SIU and SIS infrared gas tube heaters
- -3/4″ dia. x 4-1/4″ tall for 4″ pipe
