Ideal-Air™ Fan Speed Controller greenthumb-20off 372 144 21' x 42'

372 144 21' x 42' 738 sq

Green or white heavy duty aluminum structure features 6mm twin-wall polycarbonate covering

and are great for use with large pots

(24) 4" x 1/2" Snap Clamps for covering installation over hoops

Crafted from tough injection-molded BPA-free plastic

Ideal-Air™ Fan Speed Controller greenthumb-20off 372 144 21' x 42'Works with AC DC brush type motors 15 Amps or less. Three adjustable switch settings: full, variable and off. When switch is set to variable, adjustable knob controls fan speed. 6 ft. 120 V power cord and up to 15 Amps. Will not work with soft or slow start motors. Ideal Air Fan Speed Controller Features: For AC DC brush type motors 15 Amps or less Three adjustable switch settings: full, variable and off Adjustable knob controls fan speed Includes 6ft