Kair 204 x 60mm to 100mm Rotating 90 Degree Elbow Plastic Duct Adaptor

Kair Elbow Bend Adaptor 204mm x 60mm to 100mm - 4 inch Rectangular to Round 90 Degree Bend AdapterRECTANGULAR 204mm x 60mmThe flat end is a female spigot and fits over 204mm x 60mm Rectangular Duct Pipe Part: DUCVKC5604 or flexible hose 206mm X 62mm DUCR3M/206/62.ROTATING ROUND 100mm / 4 inchCircular 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.Static Pressure Drop in Pascals: 15 l/s = 2.35 Pa - 30 l/s = 8.71 Pa - 60 l/s = 32.30 Pa. Perfectly suited for ducting your Bathroom or