Replacement PTFE Pestle for KIMBLE KONTES DUALL Tissue Grinder, Size 21

An extremely efficient grinder, the DUALL combines both conical and cylindrical surfaces on a single pestle and tube. These separate areas perform the dual functions of initial grinding in the conical section and final homogenization in the cylindrical section.

Design innovation on our popular 885450 DUALL tissue grinders

PTFE/rubber-lined phenolic screw cap closure permits centrifugation or storage of homogenates without transfer

Replacement components are available and completely interchangeable

Clearance between pestles and tubes is 0.004' to 0.006'

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