Twistit® Rubber Stoppers
These versatile Twistit® rubber stoppers are four stoppers in one. Multipurpose laboratory stopper offers versatility not available with conventional stoppers. Simple twist-off seals permit easy conversion from a solid to a one, two, or three-hole stopper for all your laboratory needs. Soft, resilient, natural M66 white rubber demonstrates exceptional aging characteristics with high resistance to deformation even after extensive autoclaving. Stopper is vacuum-tested at 30in of Mercury, and has safe, convenient countersunk lead-into holes. Autoclavable.