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Plenum rated ceiling box
Plenum rated ceiling box
  • Plenum rated ceiling box
  • Description
Diffuser Plenum Box 
1.material: steel 
2.gavanized 
3.different sizes available,any size available to match air diffuser/grille & duct
4. can be twisted and adjusted, but has no effect on the gas tighteness
5. installation without sealant or solvents

 

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