AC Infinity Inline Duct Fan Silencer, 4" SHIP_FR20 The front of the meter

The front of the meter has two buttons

minimum speed

3V    Average Current    90 uA    Detection Range (Temperature)    16 to 194°F    Detection Range (Humidity)    0-100% RH    Operating Temperature    32 to 140°F    Operating Humidity    35 to 85% RH

AC Infinity AIRLIFT T12

established plants

AC Infinity Inline Duct Fan Silencer, 4" SHIP_FR20 The front of the meterAC Infinity Inline Duct Fan Silencer A duct muffler designed for use with inline fans in grow tents, bathroom fans and other HVAC applications. Features dual aluminum flanges to help absorb sound waves from fan vibrations and airflow. High quality neoprene foam in an egg crate pattern that will reduce fan noise by up to 50%. Galvanized steel body that is corrosion resistant and can withstand extreme temperatures. Duct Opening Diameter: 4 inches