Growlink SDI-12 Climate Sensor In-Line Duct Fans + Accessories 3 x Passive air intakes

3 x Passive air intakes with integrated 700-micron bug screens and removable covers

Ensures peak dehumidifier performance in grow spaces

or shelving

these 6" x 6" x 4" blocks (pallet of 704 loose blocks) bring reliable results and streamlined irrigation management

Growlink SDI-12 Climate Sensor In-Line Duct Fans + Accessories 3 x Passive air intakesGrowlink SDI 12 Climate Sensor Built for PIC and Connect Controllers The ESM 3 reports air temperature, humidity, VPD, photocell, and optional CO2 through one SDI 12 digital interface. Each SDI 12 input on a Precision Irrigation Controller supports one ESM 3 plus one substrate probe. A standalone PIC handles four climate sensors and four substrate probes at once. Temperature reads 40 to 60C with 0. 5C accuracy. Humidity tracks 0 100% RH non condensing