18" Duct Board Start Collar - For R4-R6 (1"-1.5") Duct Board, Optional Damper Holes

68748 MFG #: 52518
$0.00 / ea
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  • FEATURES BENEFITS
  • LONG DESCRIPTION
Built-In Ring; Collar are Embossed with Size for Easy Identification; Constructed with Knock-Out Holes for Dampers; Button Lock Connection for Easy Assembly
Duct Collar; Type Start, Unassembled; Size 18"; Material Thickness 28 Gauge; Material Sheet Metal; Inclusions/Features Knockout Hole, Button Lock Connection; Used On 1" or 1-1/2" Ductboard; Packaging Quantity 12 per Box