Kair 204 x 60mm to 125mm Rectangular-to-Round Duct Adaptor | Fits over other connectors and fittings and pipe requires, ROUND END: 125mm (5 inch) Fits over other connectors

Kair Ducting Adaptor 204mm x 60mm to 125mm - 5 inch Rectangular to Round Straight Channel ConnectorRECTANGULAR 204mm x 60mmThe flat end is a female spigot and fits over 204mm x 60mm Rectangular Duct Pipe Part: DUCVKC5604.ROUND 125mm / 5 inchCircular end is 125mm round female spigot that will accept any male Kair 125mm round fittings. Requires round duct connector Part: DUCVKC355 to connect to 125mm straight pipe - Part: DUCVKC267 or flexible hose Part: DUCP0092/127/35.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 0.96 Pa - 30 l/s = 3.84 Pa - 60 l/s = 15.41 Pa.Perfectly sui