These small PYREX® filling bells are ideal for aseptically filling culture tubes with up to 20mm. O.D. (without lip). Tubulation has a 7mm O.D. PYREX® aspirator bottles (Nos. 1220 and 61220) have a bottom sidearm tubulation that can be used with these filling bells to aseptically dispense sterile media and solutions.
For use with culture tubes and bottles. The smaller size will fit tubes up to 20 mm O.D. (without lip). The larger size can be used on bottles with maximum rim diameter of 44 mm.