Check the listing for details. DTR1101 In-Line CO2 Secondary Regulator. Condition: New. Listed at 38.24 USD. Single-Gauge CO2 Secondary RegulatorIn-line regulators, which include this secondary regulator is commonly used when several pressures are required from the same CO2 line. With this CO2 secondary regulator, you get a unit that has a pressure-relief capacity that functions in accordance with industry guidelines for pressurized dispensing systems. In addition, an integral pressure-relief device included with this secondary regulator prevents potentially dangerous pressure build-up.Details and Features This secondary regulator already includes a wall-mounting bracketSeat cartridge filter of this Co2 secondary regulator prevents solid contaminants from entering the unitAn outlet check valve prevents reverse flow of beer, wine, and gas in this secondary regulatorThis Co2 secondary regulator is manufactured for use with beverage-dispensing systems that require compressed gas at a variable flow and constant pressure