Cheap laboratory glass reagent bottle GL45 screw cap for sale DWK LIFE SCIENCES Schott Duran Original round GL45 clear borosilicate glass laboratory bottle with high temperature red PBT screw cap and ETFE pouring ring 500ml capacity (Pack of 10) Bottle, laboratory, reagent / media, round, wide mouth, screw neck, borosilicate glass, 500ml (0.5L