Selkirk 103810 Gas Vent Storm Collar, 3

Highlights:

• Size: 3 RV round
• Type B gas vent
• Inner wall aluminum. outerwall galvanized
• For gravity draft venting of Listed LP or natural gas burning appliances
• Not for wall furnaces
• Used with either adjustable or tall cone roof flashing
• Used at the top of each flashing to assist in shedding water from the assembly
• Boxed