Kair Elbow Bend Adaptor 180mm x 90mm to 150mm 6 inch Rectangular Round 90 Degree Adapter for Converting Different Size Plastic Ducting Systems

RECTANGULAR END: 180mm x 90mm Fits over rectangular duct pipe. ROUND END: 150mm (6 inch) Fits inside round duct pipe. Allows you to convert between 150mm round and 180mm x 90mm rectangular ducting systems. 90 Degree elbow bend adaptors allows you to run duct inside ceiling voids or other areas where space is restricted. Compatible with Kair plastic ducting range of fittings, outlets, and grilles, Weight: 0.55 pounds, Manufacturer: Kair