TDS VWR SHORT SCREW CAPS WITH CENTRAL HOLE 6mm AND SEPTA 6 MM AND SEPTA, ND9 VWR International certifies that the specified products meet all VWR specifications and quality criteria for TriPlus 55 shore A Silicone white/PTFE red 1.0 1 548-0784 PP black 60 shore A Natural rubber red-orange/TEF 548-0785