Drop in inline Heavy Duty Nutrient pH Sensor（PPH 3） Commercial Fans AIRLIFT Series – Shutter Exhaust 50 60Hz power adapter AIRLIFT Series – Shutter Exhaust Fans Vitamino uses high impact supplements including select vitamins and all 20 essential amino acids to act either directly or as cofactors for enzymes that trigger biochemical pathways commonly used in plant tissue culture and lead to the synthesis of essential macromolecules Can be used with the AMP 2 or the AMP 3 nutrient sensor module The new PPH 3 features a reduced diameter protective sleeve and threaded body that will allow the probe to be installed into standard 3 4" PVC tee fittings