Purple BVV Vacuum Pump Activated Carbon Exhaust Filter spl_fltrbuy One is for turning the

One is for turning the meter on/off and the other for automatic one or two point calibration

Measurement: pH

Blade Spread: 6-1/2" diameter

For annual weeds

vertical farming

Purple BVV Vacuum Pump Activated Carbon Exhaust Filter spl_fltrbuy One is for turning theCarbon Exhaust Filter for BVV Vacuum Pumps Replaces Koby Junior (US Patent# 3169112A) BVV Vacuum Pump Activated Carbon Filter for use with Purple BVV vacuum pumps. Pump Models Include: BVV4D, BVVSF6S, BVVSF6D, BVV7S, BVV9D, BVVSF12D This filter will adsorb contaminants such as oil aerosols, oil vapors, certain other hydrocarbon vapors, and trace moisture. They also trap all foreign solid particles and bacteria down to 0. 5 microns in size. Key