Kair 100mm Round Equal T-Piece Equal T Junction for round ventilation pipe. Can be used to duct in to different areas and join different duct runs together. This is a male fitting and the spigots at each end will fit inside Kair 100mm Round Pipe Part: DUCVKC250 or 102mm Flexible Hose Part: DUCP0092/102/35. This item is part of the Kair Ventilation System 100 Plastic Round Ducting Range (SYS-100). The Kair Round System 100 (SYS-100) ducting provides superior airflow performance compared to rectangular or flexible duct and should always be considered as a first option if space allows. This system is suitable for extractor fans and cooker hoods and is compatible with an extensive range of fittings outlets and grilles. Kair plastic ducting is lightweight, durable and suitable for commercial and domestic use. It is perfectly suited for ducting your tumble dryer, bathroom or kitchen extractor fan, hydroponics, in-line extract fans, or cooker hood. It 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, air conditioning, HVAC, and heat recovery systems. Will join any female part of 100mm plastic ducting such as Kair System 100 range Built to last out of high-quality white Polystyrene/Polypropylene plastic Material. Max / Min Temperature: +60c / -15c. Suitable to use in compliance with Part F Building Regulations. For permanent fixings, seal joints with a method of your choice Popular options include silicone sealant, solvent cement, or tape.