Global Air - AC Pro Step Fan Controller Size:4A Bio-Flores NPK: 2

Bio-Flores NPK: 2

Water suitability: hard and soft water areas

uneven lighting is one of the most common causes of slow vegetative growth

trace elements and phosphorus for bud formation

Recommended circulation pump: JET-STREAM SILENT 1

Global Air - AC Pro Step Fan Controller Size:4A Bio-Flores NPK: 2Smooth, 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