1.Stable pressure design, Constant output pressure.
2.Precise adjusting valve, easily to set 1 bubble for every 2-3 seconds.
3.Bubble counter with check valve, using reinforced PC material, make it more safety and durable.
4.Using PU washer, good sealing performance.
5.Low temperature solenoid valve.
6.Two gauges design, make it easier to read the pressure.
