This awesome compact solution for adjusting water and gas pressure can be useful in many different applications. This can be used for compressed air, CO2, nitrogen, mains water supply and many other things. Made for adjusting water and gas pressure but can be useful in many different applications. Made from food-grade plastic, stainless steel, and EPDM seals. 0 – 60 PSI. Perfect for running multiple taps at different serving pressures.