LaboPlast 21L (5.5 gal) Plastic Laboratory Trays by Burkle - Durable Lab Equipment for Scientific Research & Medical Use

Thread for replacement on apparatus using G.P.I. (Glass Packaging Institute) thread. These threads are used primarily on products manufactured in the United States. When a thread is designated as 20-400 it means that the diameter across the top of the threaded area is ~20mm. The numerical 400 designates a specific style of the finish. PLEASE NOTE: GPI THREADS ARE SOLD IN PACKAGES ONLY.