Pay in 4 interest-free payments of $45.33 Learn more
Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
diameter 6
it’s an easy upgrade for any old style filter still using filter
The box is made to stack and lock together
The shaft is 7/8” diameter
The outlet can be rotated to different positions for vertical or horizontal discharge
Premium Salinity Refractometer Probe diameter 6Largest and sharpest scale display available. Calibration ring for simplified calibration. This refractometer features a magnified scale for better visual accuracy. Other features include solid aluminum construction, a rubber gripped body and temperature compensation between 10 and 30C (50 to 86F). To calibrate, simply loosen the handset screw, place a few drops of water on the prism, turn the calibration ring until the shadow line is at zero and
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