【FREE PARTS】Double gas mixed gas regulators have a rubber protective boot (2 pieces), mechanical explosion. To avoid bumps and scratches on the dial, ensure the accuracy and beauty of the CO2 Dual Gauge. 【ACCURATE & STABLE】0-80 PSI operating pressure, 0-3500 PSI tank pressure.This CO2 beer pressure regulator with two measuring strips allows pressure settings from 1 to 60 PSI and has a non-adjustable safety trigger at 45 PSI. Always take hold of the pressure in the bottle and control the outlet pressure in a stable manner. All-in-MR adjustable CO2 keg pressure regulator 【HIGH QUALITY & SAFETY】Draft beer CO2 regulator pulls in high-strength copper-chromium decompression material for food. All YaeBrew regulators are pressure tested to ensure performance and reliability. In addition, the pressure relief valve springs have high fatigue strength and durability. 【NO LEAKS & EASY INSTALLATION】Each CO2 beer regulator pressure kegerator comes with 2 O-ring washers This is an adjustable wrench. Especially suitable for a shop, bar, home, outside, plants, etc. 【APPLICATION】Particularly suitable for shop, bar, home, out door, plants, etc.