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When the PTFE membrane of the protective cap wears, it is always good to have a back-up. This Hanna Spare Membrane Kit contains five ready-to-use replacement PTFE membranes for the Hanna DO Meter (sold separately).
© 2016 Ariens Specialty Brands LLC
CAGE Code: 3ZEL7 | DUNS: 18-854-1176
Reference Number: WB0000