Top is tooled for a #3 rubber stopper

·         Lower 24/40 inner joint allows a variety of flasks for eluant collection

·         Vacuum connection for 3/8” ID tubing is provided on the lower end

·         40-60 micron porosity fritted disc is sealed in

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements