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$29.85

Don’t forget your bolts, screws, nuts, & washers available on the tab below.

NB3DR Flush Mount Through Bore Drain (Patent Pending)

Our NB3DR Flush Mount Through Bore Drain is the perfect solution for door/window system gutter draining. Not only is this product easy to install, it provides you with a completely sealed attachment flange for drainage hoses on all window and door systems.

*Available in all sizes*

Product Features:

  • Patent Pending
  • Stainless steel construction
  • 3/8”-16 through bore hole throughout to drain water
  • 2” X 1/8” thick stabilizer flange that sits flush with inside of the gutter drain
  • 2” steel tubing with 3/4” of barbing to receive drain hose and 1” of 3/4”-10 threads for attaching washer and nut.
  • Various sizes available to suit your needs
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NB3DR Installation Video

PLEASE fill out the form to download the Autocad Files