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Double Ceiling Inlet

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MF #I-CID-1501
QC Part #
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Designed to operate under negative pressure systems. Housing color may vary from picture.

The 1,500 CFM Double Ceiling Inlet is designed to operate under negative pressure systems.


  • Constructed from polyethylene with Styrofoam baffles
  • 12" removable core plex insulation stop to prevent attic insulation from coming through the inlet
  • A counterweighted poly door operates automatically to provide air inlet for a negative pressure system
  • Easy to install
  • Foolproof operation


  • 1,500 CFM
  • Rough Opening: 21.5" L x 18" W
  • Weight: 11 lbs.
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