LDS Vacuum Products SC7D, Helium Calibrated Gas Leak StandardCondition:* Used And Not Calibrated Surplus Stock, Unable To Test. Sold As-IsAdditional Notes:* LDS Part Number: SC7D (F8473301-V)* Cert Number: L63555* Gas: Helium* Final Leak Rate: 9.32E-08 Standard cc/Second* Fill Pressure: ATM* Valve Position When NOT In Use: Open* Last CAL Date: 8/24/2018* 1-1/8″ (1.125″) Compression Port* Includes a Manual On/Off ValveLDS Vacuum ProductsSC7D (F8473301-V)