Kair Elbow Bend Adaptor 220mm x 90mm to 100mm - 4 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems

Kair Elbow Bend Adaptor 220mm x 90mm to 100mm - 4 inch Rectangular to Round 90 Degree Bend AdapterRECTANGULAR 220mm x 90mmThe flat end is a female spigot and fits over 220mm x 90mm Rectangular Duct Pipe Part: DUCVKC5704 or flexible hose 220mm x 90mm DUCR3M/220/90.ROTATING ROUND 100mm / 4inchCircular end is a 100mm round male spigot that that fits inside 100mm round duct pipe Part: DUCVKC250 or or flexible hose Part: DUCP0092/102/35.Allows you to convert between round and rectangular ducting systems.Made in the UK using high-quality Polystyrene/Polypropylene plastic.Max / Min Temperature: +60c / -15c.Easy to install and durable, just push-fit duct and fittings together. For permanent fixings, seal joints with silicone sealant or tape.Airflow performance independently tested by BSRIA or BRE.Suitable to use in compliance with Part F Building Regulations. Perfectly suited for ducting your Bathroom or Kitchen extractor fan, hydroponics, in-line extract Fans, tumble dryer, or cooker hood.Thi