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“B” Style Plenum

Part No. 4B

Plenum style with flange

Custom Made Upon Request   
 
Size 
Qty 
 
Up to 18″ 
1 
 
Up to 24″ 
1 
 
Up to 30″ 
1 
 
Up to 36″ 
1 
 
Up to 42″ 
1 
 
Up to 48″ 
1 
 
Up to 60″ 
1 

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  1. “A” Style Plenum
  2. Long Style Flat Collar
  3. Flat Collar (Long Style) w/ Damper