Global Air - AC Pro Step Fan Controller Size:4A Protects plants from airborne contaminants

Protects plants from airborne contaminants and pests

Dilute the concentrate per the label and shake well before use

Water suitability: hard and soft water areas

trace elements and phosphorus for bud formation

Organic kelp-derived and easy to pair with other Dutch Pro feeds

Global Air - AC Pro Step Fan Controller Size:4A Protects plants from airborne contaminantsSmooth, silent 5 step control for your AC extractor fan The Global Air AC Pro Step Fan Controller is a high quality transformer based controller for regulating AC extractor fans in grow tents and grow rooms. Built with solid state relays and digital controller technology, it moves between speeds smoothly and without the loud clicking common on older step controllers, and its robust European built transformer protects fan motors from electrical stress