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Collection: Boxes & Fittings

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Our Boxes and Fittings made of the highest quality materials.
5 products
  • CASC - Galvanized Steel Rectangular Lateral 26 GA
    Galvanized Steel Rectangular Lateral
    Regular price
    $14.00
    Sale price
    $10.00
    Unit price
    per 
  • Round 90° Elbow (with long radius for high pressure)
    Round 90 degree Elbow with long radius for high pressure
    Regular price
    $20.00
    Sale price
    $20.00
    Unit price
    per 
  • COND - Start Collar for duct board 30 GA.
    Start Collar for duct board
    Regular price
    $8.00
    Sale price
    $8.00
    Unit price
    per 
  • ADAD - Register Box with duct board and insulation GA.30
    ADAD - REGISTER BOX W/ DUCTBOARD W/INSULATION GA.30 - Advantage Mechanical Supply
    Regular price
    $14.00
    Sale price
    $11.00
    Unit price
    per 
  • ADA - Galvanized Insulated Adapter
    ADA - GALVANIZED INSULATED ADAPTER 30 GAUGE - Advantage Mechanical Supply
    Regular price
    $11.00
    Sale price
    $8.00
    Unit price
    per