In StockBack-draft Shutters
£10.76£11.95Save £1.19
In stock
Available from our Bristol shop
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Description
These handy additions to ductwork help reduce unwanted odours by closing ducting when the ventilation is turned off.
Available in a variety of sizes, these shutters are especially useful for stopping cold air from entering your growing environment when fans are switched off.
Back Draft Shutters are made from a galvanised steel case and have two spring-loaded aluminium shutters.
Key facts
| Type | Back-draft shutter: closes the duct when the fan is off |
|---|---|
| Construction | Galvanised steel case with two spring-loaded aluminium shutters |
| Sizes | 100, 125, 150, 200, 250 and 315 mm (4 to 12 inch) |
| Brand | Remat |
| Category | Ducting & Ductwork |
How to use
Fit the shutter in the duct run to match your ducting size and secure it with ducting jubilee clips. When the fan stops, the spring-loaded flaps close.
That stops cold air coming back into the growing area and helps keep odours in when the ventilation is off.
Questions
What does a back-draft shutter do?
It closes the ducting when the fan is switched off, which stops cold air getting in and cuts down unwanted odours escaping.
What is it made of?
A galvanised steel case with two spring-loaded aluminium shutters.
Growers’ guides
- Grow Tent Ventilation: Passive Intake or an Intake Fan?Grow tent ventilation explained: passive vents or an intake fan, negative pressure, bug screens, shutters, ducting and how to run two fans together.
- Greenhouse, Grow Tent and Grow Room Heaters: Which to ChooseGreenhouse and grow tent heaters compared: tube heaters, fan heaters and the Thermoforge T7, the temperatures to aim for and how to add a thermostat.
- How to Size an Extraction Fan and Carbon Filter for a Grow TentWork out the inline fan and carbon filter your grow tent needs: tent volume, air changes a minute, the filter allowance, and a table by tent size.
