“B” Style Plenum

Part No. 4B

Plenum style with flange

Custom Made Upon Request   
 
Size 
Qty 
 
Up to 18″ 
 
Up to 24″ 
 
Up to 30″ 
 
Up to 36″ 
 
Up to 42″ 
 
Up to 48″ 
 
Up to 60″