FloraFlex 2 1/4" Matrix Circulator - 12 Pack hand-tools Easy observation and smooth ventilation:

Easy observation and smooth ventilation: A viewing window allows for easy monitoring of your plants while the vents are adjustable to accommodate all fan sizes

RETURNS: Custom Carbon AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above

These industrial combination pH or ORP sensors use the conventional measurement technique

50' of 1/2" poly tubing (1)

FloraFlex 2 1/4" Matrix Circulator - 12 Pack hand-tools Easy observation and smooth ventilation:Description FloraFlex Matrix Circulator: This innovative component is a part of the Matrix System, a patent pending, first of its kind Top Feeding Wicking System. It is designed to provide an even distribution of water and nutrients to your plants. This system can accommodate pots ranging from 7. 5" 18" in diameters. To effectively use this device, you will need a corresponding Matrix unit, a Matrix pad of the same size, and the matching Matrix