FANTRONIX 100mm Round Telescopic Wall Extension Sleeve Nested Pipes Exhaust & Supply Air Extractor Fan Ventilation 4 inch Round Duct Extendable Vent Tube

A versatile and handy item when fitting ventilation systems or cooker hoods though walls. Fantronix ducting wall sleeve is designed to be mounted to provide a smooth transition through a wall or aperture. This ventilation duct is suitable for 100mm 4" dia duct, vent and extractor fan connections as an air exhaust duct and air duct for wall, ceiling or as a construction ventilation duct. The sleeve comes in two parts allowing it to fit into a wall thickness of between 300mm & 500mm.Smooth internal bore for reduced airflow resistance. Manufactured from UV protected flame retardant white PVC plastic. Lightweight with simple to fit connections. EASY INSTALLATION: Easy to install and durable, just push-fit duct and fittings together. This round duct can be carefully cut to the required size using a hacksaw. USES: Great for Cooker hoods and tumble dryers, Extractor fans mounted in bathrooms, toilets, shower rooms, utility rooms & kitchens, Heat recovery ventilation systems for supply & extract air, Suitable for Residential, Social Housing and Student Accommodation projects., Manufacturer: FANTRONIX