Useful in nucleic acid and protein blotting procedures where a minimum of probe solution is utilized. They fit standard hybridization ovens, such as Hybaid, Bellco and Labline, for simplified Southern, Northern and Western Blots, slot blots, etc. The borosilicate bottles are produced with a heavy wall for added safety. Bottles have a teflon/silicone lined polypropylene cap to prevent leakage.