Universal stoppers 12/16 mm natural

These plugs have been designed to fit both diameters. For the 12mm tubes as a snap-on cap on the outside and for 16mm tubes as a push-in stopper on the inside.The cap sits firmly on or in the tube and protects against cross-contamination and spillages in the laboratory.Operating temperature range: -80°C to +80°C. Not suitable for autoclaving.Other coloursThe following colours are also available on request, minimum quantity 10 packs of 1,000 pieces:yellow, green, violet, grey and black