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The custom Pyur Scientific 1
this duct fan features an EC-motor that is precisely controlled using PWM (Pulse Width Modulation)
Teaming with Bacteria adds to that science by sharing the latest research on endophytic bacteria (bacteria that live inside plants) and rhizophagy (plants “eating” bacteria)—discoveries that have profound implications for the practices of home gardeners and small-scale growers
Maximum recommended flow rate: 220 GPH (3
Better flavor & yield: Helps prevent common phosphorus deficiencies that reduce quality and taste
Type 1 Sound Meter AIR FILTER BOXES The custom Pyur Scientific 1Meets IEC 61672 1: 2013 Class 1 and ANSI S1. 4: 2014 Type 1 requirements for sound meters. Features fast or slow time weightings, peak hold and AC output. A calibration adjustment allows the user to quickly calibrate the meters internal electronics. Can also be acoustically calibrated, in compliance with OSHA, using Acoustical Calibrator 850016 or equivalent. CE Approved. Comes ready to use with a windscreen, calibration tool, instructions, and two 9V
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