Leaf Sensor Rev4 and Digital Meter pak for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor. Ready use. Includes Leaf Sensor, Digital Meter and cable & CD-ROM

Calibration Standard Card for calibration the Leaf Sensors -contains 1 ea. graduated calibrated micro-thin disks. Track voltage / inches (mm). For use with all AgriHouse Leaf Sensors.

Leaf Sensor Rev4 - Digital Meter - Calibration Combo pak II for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor - includes Leaf Sensor Rev4, CD, Digital Meter, Calibration std card and cable

BEYON Plant Amendment™ 1.2oz (32ml) concentrate bottle - makes 33 gal/124 liters Indoor/Outdoor Overrides stress caused by climate changes & deficiencies Proven by NASA & USDA Forest Service since 1997 Meets USDA Organic (NOP) as seen on Amazon

High Pressure Diaphragm Pump operates at 110 VAC, delivers 80 to 100-150 pressure to hydro-atomizing spray jets. Automatic ON/OFF Includes: 1/4" barbs and power cord