100mm / 4 inch plastic ducting connector with inline gravity flap damper / backdraught shutter . Prevents outside air and debree from coming through your duct system. Stop smells and prevent cold air coming through your extract fan or ducting. Will fit inside 100mm round pipe or 102mm flexible hose and can be used to join multiple lengths of pipe together to form a long duct run. Perfect for your Bathroom & Kitchen Extractor fan, Tumble Dryer, Hydroponics, In-Line Extract Fans, or Cooker Hood or any other ventilation application. Produced and manufactured in Ukraine. 100% customer satisfaction guarantee.
Fantronix Ventilation Solutions Perfectly suited for use with your Bathroom or Kitchen extractor fan, Hydroponics, or In-Line Extract Fan. 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.