12x75mm Glass Test Tubes with Screw Cap (Pack of 10)

Karter Scientific is a registered trademark in United States of America. To maintain quality control, authorized permission is required in the resale of our products. These reusable glass round bottom Test Tubes are made of 3.3 borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass. Black Screw Tops are fabricated from a special formula resistant to the effects of temperature and steam in autoclaving. Test Tubes made of 3.3 borosilicate glass, with plastic screw capFeature cylindrical bottomUse of 3.3 borosilicate glass as material helps to reduce pH changes and contaminations potentially leached from soda-lime glassVolume 5ml

Screw Caps, 16mm, Polypropylene, Rubber Liner, Natural Color (Pack 10)

Optional screw caps for glass tubes with diam.16mm, thread layout 15/415, with silicon rubber liner mounted. PP material, autoclavable, Neutral color (Pack of 25) Product Description: Product Features: Shipping Policy: Our standard policy is to ship out all orders the same day if payment is received before 5:00 PM CST Return Policy: Returns Accepted After receiving the item, if you wish to return it please contact us within 14 Days When we receive your return item your refund will be your money back. The buyer is responsible for return shipping. We do not charge a restocking fee. If you have any questions, please email us

500ml Glass Media Bottle, Round, GL45 Screw Cap Karter Scientific 251M4 (Single)

These heavy duty borosilicate glass round bottles can be used for storage as well as mixing and sampling. They include a linerless, one-piece autoclavable blue polypropylene plug seal GL45 threaded cap with a drip-free pouring ring. Max temperature of 140 degrees Celsius (284 degrees Fahrenheit). Volume: 500mlGraduations: 50ml, from 100ml to 400mlScrew Cap: GL45 Blue PolypropyleneDimensions: 178mm x 89mm (7in x 3.5in)Thick Borosilicate Glass