Milwaukee’s MA841 Membrane Kit contains five replacement membranes for the MA840 dissolved oxygen probe. Replacing worn or fouled membranes restores probe measurement accuracy in aquaculture, wastewater, environmental water sampling, and laboratory dissolved oxygen monitoring applications, extending the service life of the MA840 without requiring complete probe replacement.
$ 199.50 Ex. GST
5 READY TO SHIP
Spare membrane for MA840 DO probe (5 pcs)

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