Solid, regular length. Black rubber. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Sold only by the pound. Plasticoid
Same as R6200, except with one pre-drilled hole, regular length. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Sold only by the pound. Plasticoid
Same as R6200, except with two pre-drilled holes, regular length. Solid regular length. Black rubber. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Sold only by the pound. Plasticoid
Versatile Twistit® rubber stoppers are four stoppers in one. These multipurpose stoppers offer versatility not available with conventional stoppers. Three 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, white rubber demonstrates exceptional aging characteristics and withstands repeated autoclaving. Sizes 3 and 4 only have two twist-off seals. Plasticoid