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 Adapter RECTANGULAR 220mm x 90mm The 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 / 4inch Circular 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. This item can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive stack vent, positive input ventilation, air conditioning, HVAC, and Heat Recovery systems. Kair plastic rigid ducting is perfect for DIY and Trade use and provides superior airflow performance and durability versus flexible duct.