GL70 Screw Cap: Blue GL70 screw cap, tight hermetically sealed with sealing silicone ring, drip-free, no leaking PATIKIL 100mL Reagent Media Bottle, 1Pcs Round Graduated Borosilicate Glass Bottle Moonetto 6 Pack 500mL Wide Mouth Graduated Round Reagent Wide Mouth Reagent Bottle This 3-pack of 250mL bottles gives you that professional lab-grade performance for all your storage and mixing needs. The wide mouth design makes filling and... Borosilicate Glass: thick, durable, tough, high quality, low coefficients of thermal expansion, resistant to thermal shock, high chemical resistance in corrosive environments Reagent Bottle, Narrow/Wide Mouth, Borosilicate Glass - Arav Lab Solutions Capacity: 150 mL, permanent white enamel graduations from 50 mL to 150 mL, accurate scales, wide mouth, larger neck opening, easier to add or remove and easier to clean