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Auto calibrated
use two or more in parallel
The SF41 12 V digital timer must be used with the SF62 12 V controller/power supply in order to operate either the AVF6 or AVF7 in a 12 V mode
Adhesive and primer in one for adhering EPDM tovertical walls
FIAP profibreed grading grids are made from saltwater resistant aluminum and have gap widths ranging from 2
pH Pens by Hanna Degassing Auto calibratedThese easy to use pH pens from Hanna Industries are waterproof and will float. They feature automatic shut off, temperature compensation, replaceable electrodes, hold function, stability indicator and temperature readings in either C or F . Choose pen with sensitivity in tenths (98127) or hundredths (98128). Pens weigh only 3 oz, measure 7 l x 2 w. Use four 1. 5 V button cell batteries (included). Calibration solutions sold separately.
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