DuraVent Concentric Vent System 3" x 5" DSA Roof Flashing PC40310 375" (B) 6DP-AP17x21 17" x

375" (B) 6DP-AP17x21 17" x 21" 6

625" (B) Applications Single-Wall Interior Stovepipe for connecting woodstoves to manufactured chimney Warranty Limited-lifetime warranty

60" and 72" include a Robertshaw high output (up to 280

It all starts with the Demi-Dome construction and Panoramic Opening that makes maneuvering

Item Number GFK21MB Brand Name Heatilator Series Novus Product Type Fan Kit Quantity 12-Pack Documents & Files

DuraVent Concentric Vent System 3" x 5" DSA Roof Flashing PC40310 375" (B) 6DP-AP17x21 17" xAn economical venting solution for condensing and noncondensing appliances, the Concentric Venting System (CVS) features a UL1738 approved super ferritic stainless steel inner wall. The proprietary twist lock connection eliminates use of clamps or mechanical fasteners and saves installation time. Only one penetration is needed through the roof or the wall for both exhaust and combustion air. Multiple pipe lengths and telescoping pipe extensions