AC Infinity Backdraft Damper Ducting Insert - 150 mm (6 inch) Black Galvanised Steel keep in stock as the Quest F9 can

as the Quest F9 can be daisy-chained to 6 other Quest air movers

Suitable for Rockwool

about 5 cm above the base

continue to test pH levels

AC Infinity Backdraft Damper Ducting Insert - 150 mm (6 inch) Black Galvanised Steel keep in stock as the Quest F9 canA 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