Compact SCBA CGA347 Filler with Gauge, Shut-Off Valve & Twist Bleeder - Thermo Cascade (CV130-G) Deluxe Compact SCBA Tank Filler with On/Off & Bleeder - Fire FIghter Breathing Air Cylinders Complete With Fill Pressure Gauge, Shut-Off Valve & Deluxe Twist Bleeder Fits SCBA Tanks with CGA347 or CGA346 Valves Hand-Tight Stainless Steel Spin-On Connector  No Wrench Needed Deluxe Fill Pressure Gauge: 0 to 6000 PSI, Liquid Silicone Filled with Rubber Protective Boot, Air Bubble within the Gauge Allows for Expansion and Contraction with Change in Temperature, Accuracy 1.5% Throughout Entire Scale