Scienceware® Wide Mouth Mason Jars, Polypropylene
These polypropylene, heavy-walled Mason Jars are ideal for industrial waste sampling, and long-term storage. Designed with standard G-threaded necks and furnished with polypropylene screw caps. Features unique grip lugs for a non-slip grip. Leak-proof design with neck seal ring. Note: Loosen or remove closure before autoclaving.