Headspace vial, screw top, rounded bottom (vial only) (0) volume 20 mL, clear glass vial, thread for 18, O.D. × H 22.5 mm × 75.5 mm, pkg of 100 ea NACRES: NB.11 Pricing and availability is not currently available. Recommended Products Supelco 58842 SUPELCOSIL™ LC-DP HPLC Column 5 μm particle size, L × I.D. 25 cm × 4.6 mm View Price and Availability