Flask, Reaction, High Vacuum Valve

TLG Round bottom single neck reaction flask with a standard taper outer joint and a high vacuum valve sidearm. Useful for sample storage or simple reactions. Valve plug may be removed to sample from the flask while an inert gas purge is passed through the sidearm. Supplied with high vacuum valve with PTFE O-ring at tip and PTFE wiper to protect Viton O-ring on shaft.