AR North America - Kit - Diaphragm D303/403

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Annovi Reverberi AR43287 repair kit to replace worn out diaphragms on the Annovi Reverberi AR403 or AR303 Diaphragm Pump.

Diaphragms typically should be replaced every 3 months or after 500 hours of use. If you notice a milky grey color in the oil sight glass, this usually indicates the diaphragms are damaged and need replacing.