Description
DuraVent FasNSeal 4" x 18" 316L Stainless Steel Adjustable Vent Length h28.125 True 4 season usage with h20.13 PC37295 BRSN BF Modern Pan Kit Size:72 inch Contemporary surround for the True 4 season usage with split flow burner allows for reduced gas consumption The clamp is upsized one diameter to fit around the black metal outer pipe