6 Inch 390 CFM Inline Fan with Speed Controller, 6 Inch Carbon Filter and 8 Feet of Ducting, Temperature Humidity Monitor for Grow Tent Ventilation Size:6 Inch W/ Thermometer and other ferrous metals

and other ferrous metals

You could see them around because they are widely used in a variety of industries such as construction

14" premium zip ties can be used for all sorts of practical projects

ferrous and other non-ferrous metals Soft Metal/Steel (<60HRC)

6 Inch 390 CFM Inline Fan with Speed Controller, 6 Inch Carbon Filter and 8 Feet of Ducting, Temperature Humidity Monitor for Grow Tent Ventilation Size:6 Inch W/ Thermometer and other ferrous metalsAll In One Combo: This inline fan combo enables your ventilation system set up in a grow tent, which is ideal for cooling down heat from lighting fixtures and controlling hot and humid conditions Powerful Inline Fan: Made of galvanized steel, the 6 inch inline fan runs at a speed of 2450 RPM and produces an air flow of 390 CFM, with a noise level of just 34dB the maximum Premium Carbon Filter: Interior and exterior mesh construction provides 54% open