C.A Technologies By Pass Regulator & Gauge for Pressure Cup ships 3 5 days By pass regulator & gauge (0 15psi) Options:Standard Unit By pass regulator & gauge (0 15psi) Costs less to purchase and less to operate than refrigerated or chemical drying systems Tubing and a one way check valve included (pressure flow should be from the regulator to the pressure cup) The regulator connects to the air inlet fitting on most pressure feed spray guns (bottom of spray gun handle) and will allow for air regulation to the pressure cup while also allowing air pressure to pass through unregulated to the spray gun for atomization