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Extension hoses

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.
* For twin tube operation, order the Extension hose guard rubber (No.358) . When the extension hose tip needs to be replaced, order the Replacement extension hose guard rubber (No.359) .

351A-5 (for 5m long), 351A-10 (for 10m long), 351A-30 (for 30m long)