Biocomma Borosilicate Glass Standard Crimp Headspace Vial Flat Bottom Short Neck 3ml Capacity 300pcs 20mm Caliber

🎉：Does not come with caps，Glass Headspace Sample Vials are made of high-quality USP type 1 borosilicate glass
🎉：High quality, can be used for lyophilization
🎉：Size:3ml 22x27mm 156pcs(20mm openning)
🎉：Can withstand temperatures up to 500°C and pressures of 600kPa.These vials come packaged in plastic bag, as well as a box to ensure that they arrive undamaged.
🎉：A flat bottom might be necessary when vials have to run within the instrument on a slightly downwards tendency and preferred for manual headspace autosamplers

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