Fast Clamp Size:10" They also generate huge pressure

They also generate huge pressure levels

Recommended additional purchase: Vortex Ultra Silent Ducting

This puts more PA on the fan reducing the air flow in the room

Creates a root shield: forms a semi-permeable biofilm around roots

Fast Clamp Size:10" They also generate huge pressureFast Clamp Quickly join a Carbon Filter directly to your Duct Fan with a Fast Clamp. Eradicates the need for a length of flexi ducting and 2 Duct Clips. How a Fast Clamp Works A Fast Clamp is a wide metal collar, lined with dense foam, which can be tightened around the join between a duct fan and a carbon filter. The collar is tightened with a 6mm allen (hex) key. The strong wide collar forms a very strong mechanical connection between the fan and