Lab Amber Three Necks HPLC Purging Storage Bottle Brown Chromarography Mobile Phase liquid Flask WIth GL45 Side Neck 1.Manufactured From Borosilicate 3.3 Glass 2.Convenient – Side neck allow solvent filling without main delivery cap removal 3.Safe – Capped bottles reduce the risk of volatile organic compounds (VOC) escape and spillage 4.Compatible – GL 45 threads fit standard HPLC connection caps 5.The material of choice for HPLC solvent bottles: borosilicate 3.3 glass offering a very low inorganic ion extractables profile 6.Capacity 250ml 500ml 1000ml 2000ml 3000ml 5000ml 10000ml Available.