Compatible with Freezer/Mill® cryogenic grinders 04500-39 to -42, 04577-77, and 04577-92 to -94.

The closed grinding vial prevents sample cross-contamination, retains volatiles, and protects hazardous and critical samples. End plugs and impactor are made of Cr-free ASTM 06 steel to eliminate chromium contamination during grinding. Low-chrome steel end plugs and impactor are autoclavable and reusable; polycarbonate center cylinders are disposable or may be cleaned with hot water and detergent. Grinding vial set is compatible with CG-200, CG-400, CG-450, and CG-500 Freezer/Mill® cryogenic grinders. Easily remove end plugs using extractor 04500-50.