pH/Conductivity Calibration Kit, 4 x 500 ml Bottles Books It's rated at approximately 100 DN26-NG Plug seal screw on Select a Net Size:#DN37 - 4" Deep, 9"x6", 36" Aluminum Handle Spring Scales
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pH Conductivity Calibration Kit, 4 x 500 ml Bottles Books It's rated at approximately 100 DN26 NG Plug seal screw on Select a Net Size:#DN37 4" Deep, 9"x6", 36" Aluminum Handle Spring Scales It's rated at approximately 100 lbs of tensile strength and can last five years or more benthic community assessment and environmental monitoring