Chimney Lengths 8 x 4-8 in. Size:8 x 4-8 in. knife & anvil style cutting

knife & anvil style cutting edge ensures perfect mating & superior cutting edge life

Steel fittings included:(2) 1/2 in

for residential wood sub floor use

Maxx Air Direct Drive Barrel Fan is ready to tackle your large commercial cooling needs and is a perfect fit for construction site jobs

Industrial quality

Chimney Lengths 8 x 4-8 in. Size:8 x 4-8 in. knife & anvil style cuttingSlim, advanced design allows for installation between 16" centers and still provides 2" clearance from combustible material. Secure twist lock design couples chimney sections together with just a 1 8 turn. Locking bands secure joints. Includes locking band. 5" 8" sections overlap by 1 1 8", 10" 14" sections overlap by 1 1 4". Chimneys are sized according to the inner diameter and are available in 5" through 14". The outside diameter is 2" larger than