Supports 4pin PWM type fans only, not compatible with 3 pin fans.
FICBXRA 10 Inch Inline Duct Fan, 618 CFM Inline Fan Duct Exhaust Fan Constant Speed for for Grow Tent, Indoor Garden Ventilation
4in 6in 8in Mixed Flow inline Twin Speed Extractor Fans - Grow Room Fan Hydropon
Vents TT 125mm 5" inline 2 Speed extraction ventilation Fan Hydro Mixed Flow.
VIVOSUN 8inch Air Filtration Comb, φ20cm 740CFM Inline Fan W/Speed Controller
Twin Speed Inline Fan 4inch 6inch 8inch Extractor Intake Fan High Powered UK
