Click to expand Tap to zoom UP A-171-S CO2 Regulator (Sliver) by UP Aqua Save $-57.50 $57.50 | / SKU UPA171S 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. High pressure resistant design for more stable CO2 output Economical and easy to use Suitable for various sizes of CO2 cylinder Thread type: W21.8