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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Improves Flower Development
Full range of fittings available
4kw capacity
This is then washed in clear water
Store in dark
Back Draft Shutter 250mm (10") Shipping Improves Flower DevelopmentWhen 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
US$ 120.00
US$ 345.00
