1-1/4" ARNCO A-D Technologies Dura-Line Shur-Lock II Coupler SL-602C-125
Products overview: SL602C125 fits 1.25" duct. It is designed for the quality joining of HDPE and PVC ducts and conduits. It is easy to use with no special tools required. The external band clamps and locking rings are made of corrosion-resistant stainless steel and allow for one-person installations. It is UL listed and air tight with no I.D. reduction.