Duravent 3PVL-X4R 3-4 in. Pellet Vent Increaser – pack of 2

Features
3″- 4″W X 3″ID
Use to transition from 3 in. pipe to a 4 in. pipe
Not a decreaser or stove adapter
Cannot be interchanged with other manufacturer systems
Rated for continuous use flue temps up to 570 degrees F
Double wall pipe air insulated design
.012″ 430 stainless steel inner wall
.018″ galvanized steel outer wall
For use at elevation 4000 feet above sea level
15 year
– SKU: ACHR4170 DURAVENT INCREASER *3″- 4″W X 3″ID *Use to transition from 3 in. pipe to a 4 in. pipe *Not a decreaser or stove adapter *Cannot be interchanged with other manufacturer systems *Rated for continuous use flue temps up to 570 degrees F *Double wall pipe air insulated design *.012″ 430 stainless steel inner wall *.018″ galvanized steel outer wall