AC Infinity Backdraft Damper Ducting Insert - 200mm (8 inch) Black Galvanised Steel reflective-film and HVAC settings

and HVAC settings

or horizontally

IonBeam S11 LED Grow Light Set (4 Bars

Max Aquarium Size (L): 500

**It is OK to use more than the recommended rate

AC Infinity Backdraft Damper Ducting Insert - 200mm (8 inch) Black Galvanised Steel reflective-film and HVAC settingsA ventilation ducting tool designed for insertion into 6 ducting to prevent cold drafts and debris from flowing into ventilation systems. Built to be embedded in ducts, the backdraft damper is made of sturdy galvanised steel and features two rings of outer rubber gaskets. This enables it to grip your ducting with an airtight seal in either a horizontal or vertical orientation. The butterfly damper blades are made of aluminium and are equipped with a