Feature:<br /><br />Universal HVE Valve<br /><br />Exquisite design<br /><br />Excellent quality， Sturdiness and Durability<br /><br />Fits all size saliva tubing<br /><br />Key Features:<br /><br />Easy to disassemble for cleaning.<br /><br />Economy Saliva Valve.<br /><br />HVE valve with lever action.