X-Trays White Flood and Drain Tray Digital Ballasts A temperature-humidity index (THI) is

A temperature-humidity index (THI) is a single value representing the combined effects of air temperature and humidity associated with the level of thermal stress

Used for connecting two pieces of duct together

• Easy to Clean

manufactured and bottled entirely in Holland

meaning that it has time to enter the cell wall of the bacterium and kill it

X-Trays White Flood and Drain Tray Digital Ballasts A temperature-humidity index (THI) isFlood and drain trays are designed for use with hydroponic flood and drain systems. The tray is regularly flooded with hydroponic nutrient enriched water allowing the growing media to soak up the solution, then the excess solution drains out while air is drawn down around the plant roots. Flooding and draining are done with the aid of a pump and a timer. X Trays are the latest and most innovative hydroponic tray systems available anywhere in the