Sell Oxygen Pump Shut-off Valve Water Stop Valve Aquarium Air Pump Check Valve One-Way Valve Check Valve to Prevent Water Flow Overflow best price

Material：Plastic： Products：A Non-Return Valve Item：Black and White Check Valve Product Name】: &nbsp;Air Pump Dedicated Air Flow Shut-off Valve &nbsp; &nbsp; &nbsp;</p><p style="text-align: left;padding-bottom: 0.0px;widows: 1;text-transform: none;text-indent: 0.0px;margin: 0.0px;padding-left: 0.0px;padding-right: 0.0px;font: 13.0px / 1.5 hiragino sans gb ,,,, sans-serif;white-space: normal;letter-spacing: normal;color: #333333;clear: both;word-spacing: 0.0px;padding-top: 0.0px;-webkit-text-stroke-width: 0.0px;"><span style="color: #ff0000;font-size: 16.0pt;">【Product Size： Commodity Characteristics：When the Position of Oxygen Pump Is Lower than the Water Level of the Fish Tank（For Example, Put Base Cabinet Or on the Desktop），When Oxygen Pump Stops Working Due to Power Failure Or Other Reasons，May Cause the Fish Tank Water to Flow Back into the Air Pump，Cause the Water Inlet of the Air Pump to Be Damaged Or Burnt out。 Tips：Because Shut-off Valve Has Resistance，Air Output Will Be Slightly Weakened，But the Overall Impact Is Not Big。