Click to expand Tap to zoom ISTA CO2 Regulator with single pressure meter by ISTA Save $-36.70 $36.70 | / SKU 16IS584 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Success! We will notify you when stocks are back! There was an error signing up for restock notifications. Please try again. Compact in size, elegant design. Simple and reliable CO2 injector. Easy reading with the CO2 pressure gauge.