Round duct reducer from 100mm to 150mm.It is a once-fming PVC reducer with good sealing, wear-resistant.Smooth surface, easy to install on a variety of vent pipes.Perfect solution to the problem of reduced ductwk.Perfect f your clothes airer, bathroom fan extract fan kitchen, hydroponics, etc.Product Duct ReducerThis reducer can be used as part of a long duct line to various purposes including whole house ventilation, passive chimney vent, positive inlet, air conditioning heat recovery systems.Made of ABS materials, crosion resistance , high hardness.One piece molding ABS reducer, leak proof explosion proof.Can be used with rigid plastic duct systems - seal with putty tape. Can be used with flexible duct systems - seal with the hose clip.Perfectly suited f the ductwk of your clothes dryer, bathroom kitchen extract, hydroponics, extract fans in line, range hood.DetailsMade of ABS new material, crosion resistant not easy to defm.Reasonable over-design , smooth interi makes the wind resistance rate lower.The seamless structure, good sealing effect, indo outdo universal.Installation diagram1, Attach the pipe to the duct reducer.2, Use aluminum tape to secure the interface.3, Put on the hose clamp tighten it with a screwdriver.