4" In Line Fan, Carbon Filter & Duct Kit - Hydroponic Grow Room Tent Ventilation
Hydroponics Fan, Filter, Oudor Block & Duct Kit. A great little fan filter kit designed for small growing area's with no more than 2.5m duct run. 2.5m of Alu Flexible Duct. Duct Clip x 3. 100mm 4" spigots to duct.