Envoy 500 Wash Solution Kit-General Chemistry System Reagent Envoy 500 Wash Solution Kit For Envoy 500 Chemistry SystemUse Envoy 500 wash solution kit in the maintenance regime of the Envoy 500 chemistry system so your laboratory can keep high standards of accuracy and reliability in its testing processes Regular cleaning reduces the likelihood of costly repairs and equipment downtime, which is crucial for laboratories managing high volumes of tests Wash solution kit contains eight 75 mL vials of wash solution