The new modular Bottle Carrying System fits standard laboratory bottles that have a GL 45 neck finish and is compatible with four bottle sizes: 2, 5, 10 and 20 litres. Lab Glassware - Gl-45 Screw Caps - Trout Underground. Laboratory Bottle ISO 4796 1000 ml Borosilicate Glass Simax Amber Kimax Glass 1000mL Graduated Media Bottle & GL45 Screw Cap, 14395 Schott Duran 1000 mL ... Autoclavable Plastic Bottle at Thomas Scientific. Aijiren Tech Nalgene.