Coupler Fitting, 4 in.x 4 in.
- Used to join two sections of duct together. Fiber-Duct(TM) coupler is not required at each fitting connection
- Fittings include 5/16" assembly holes for fast mechanical fastening
- Use with PANDUIT NR2WH-L or NR4BL-L Snap Rivets
- For other standard colors replace suffix YL (Yellow) with OR (Orange) or BL (Black)