AIRLIFT S12, Shutter Exhaust Ventilation Fan 12", Speed Controller nutrient-combo pH Down™ is an additive

pH Down™ is an additive designed for use when you need to lower the pH into a more acidic range

Display: large and easy-to-read LCD screen includes simultaneous temperature reading

All models have a 5’ power cord and require a 3/16"

Grow Flow Bottom-Draw Water Pump 251 GPH

AIRLIFT S12, Shutter Exhaust Ventilation Fan 12", Speed Controller nutrient-combo pH Down™ is an additiveA high airflow exhaust fan designed to ventilate out heat, moisture, odor, and dust from various spaces. Features an 8 speed manual controller utilizing PWM. See T Series for temperature and humidity controls. 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: 12 Dimensions: 15. 75 x 15.