Chemglass 50mL Flask Reaction 14/20 Outer Joint Valve Airfree Schlenk AF-0520-22Condition Used Description Glassware is used and physically in very good condition, but unit will have internal stains and residue. We recommend to sanitize before using. Glass will have minor scuffs scratches blemishes from previous use. Also, the label on glassware will have fading. Unit does not include twist cap. Includes 50mL Flask Reaction 14 20 Airfree Schlenk as pictured. No additional items or accessories are included. Photos are of the