Kair Ducting Adaptor 110mm x 54mm to 100mm - 4 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems - Female

Kair Ducting Adaptor 110mm x 54mm to 100mm - 4 inch Rectangular to Round Straight Channel Connector - FemaleRECTANGULAR 110mm x 54mmThe flat end is a female spigot and fits over 110mm x 54mm Rectangular Duct Pipe Part: DUCVKC249.ROUND 100mm / 4 inchCircular end is a 100mm round female spigot that will accept any male 100mm round fittings.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 = 4.80 Pa - 30 l/s = 20.40 Pa - 60 l/s = 86.20 Pa.Perfectly suited for ducting your Bathroom or Kitchen extractor fan, hydroponics, in-line extract Fans, tumble dryer, or cooker hood.This item