Back Draft Shutter 200mm (8") Shipping The particle size lies within

The particle size lies within the Nano range

BudBox use the best there is

completely power-free system that offers you five ways to feed and water your plants

never mix them together in their concentrated form (i

Thanks to the variety of its sources of active ingredients

Back Draft Shutter 200mm (8") Shipping The particle size lies withinWhen your extraction system is turned off a back draft shutter is the perfect way to stop air escaping from your room. It will also prevent unwanted cold hot air from coming back into the grow room when it is not wanted. A Back draft shutter is a cylinder shaped piece of equipment with 2 centrally mounted flaps. The air produced by your duct fan will cause these flaps to open, however when the duct fan is turned off the flaps will shut meaning no air