EASY TO USE: To raise your PPM's follow the directions and hang 1-2 GREEN PADS above your canopy per every 200-400 cubic feet of garden space
Using the SPH-1 allows for a "clean" installation and eliminates the need for daisy-chain Y-splitters to be used to interconnect multiple modules or sensors
Gradation inside to accurately assess optimal water level
• European-made VS K12 x 30s high temperature lamp holders
Backlit remote indicator connected by normal telephone cable
AIRLIFT T10, Shutter Exhaust Ventilation Fan 10" w/ Temp. and Hum. Con. spl_hf EASY TO USE: To raiseA high airflow exhaust fan designed to ventilate out heat, moisture, odor, and dust from various spaces. Programmable controller with corded probe, can adjust fan speeds in response to temperatures and humidity. Innovative EC motor with PWM control maximizes airflow while reducing energy consumption and noise levels. Features steel shutters, aluminum blades, and IP 44 rated to be highly resistant to liquid and dust. Fan Size: 10 Dimensions: 13. 0 x