Description:CO2 Pressure Regulator Magnetic Valve Solenoid Bubble Counter Aquarium Regulator<br>Feature:<br> Designed with decompress pressure gate， easily to adjust， stable and accurate CO2 output.<br> Operated with timer for better control the level of CO2<br> Working in silent.  Specification:<br> 75mm x 90mm x 115mm(L x W x H)<br> Packaing Box Size: 210mm x 140mm x 85mm (L x W x H)<br>  <br> Package Included:<br> 1 x CO2 regulator two gauge<br> 1 x Bubble counter<br> 1 x Wrench<br> 1 x Packaging box  More Details: