These 36mm inner diameter PYREX® filter tubes have an 8mm. O.D. by 75mm long constricted lower end. They can be used on the bottom end of 30mm O.D. PYREX® Gooch Low Form fritted disc crucibles (No. 32960) to collect the filtrate. Also for use with porcelain plates.
The constricted lower end is approximately 8 mm O.D. by 75 mm long on all sizes. For use with PYREX brand crucibles with fritted discs listed under Cat. Nos. 32940 and 32960. Also for use with Gooch _crucibles or directly with porcelain plates.