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Continue to ChatVeeder Root RS-232 Interface Module (Standard) https://nationalpetroleum.net/store/tank-monitoring-systems/communication-modules/veeder-root-rs-232-interface-module-standard/
Veeder Root RS-232 Interface Module (Standard) https://nationalpetroleum.net/store/tank-monitoring-systems/communication-modules/veeder-root-rs-232-interface-module-standard/