Size 1 - Neoprene Stopper w/ Hole - 19mm tapering to 14mm
Details
Green neoprene rubber stoppers have better aging characteristics than those of natural black rubber bottle stoppers and are resistant to oils, solvents, ozones and many hydrocarbons. The serviceable temperature range is from -40°F to +212°F. Neoprene rubber stoppers with 4mm hole to fit 1/4" swivel, 1" long.