Use the M&G DuraVent 4 in. Flat Roof Flashing to cover the hole in the roof used to pass the vent through to the outside in high altitude (more than 4,500 ft.) installations and installations exceeding 15 ft.

　　- Covers the hole the vent system uses to pass through the roof

　　- When used in conjunction with a storm collar, the flashing diverts rain away from the roof and prevents leaking into the house interior

　　- Use on either a Pellet Vent or Multi Fuel venting system

　　- Assembled dimensions are 17 in. W x 17 in. D x 11 in. H

　　- The flat roof flashing covers the hole used to pass through the Pellet Vent system

　　- MFG Model # : 3151

　　- MFG Part # : 3151