Kair Ducting Adaptor 204mm x 60mm to 100mm - 4 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems

Kair Ducting Adaptor 204mm x 60mm to 100mm - 4 inch Rectangular to Round Straight Channel ConnectorRECTANGULAR 204mm x 60mmThe flat end is a male spigot and fits inside fittings.Requires rectangular duct connector Part: DUCVKC5608 to connect to 204mm x 60mm straight pipe - Part: DUCVKC5604 or flexible hose Part: DUCR3M/206/62.ROUND 100mm / 4 inchCircular end is a 100mm round male spigot that that fits inside 100mm round duct pipe Part: DUCVKC250.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 suited for ducting your Ba