Rubber Stoppers

Stemcell Science Shop Verified independent store

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Laboratory tapered black natural rubber stoppers. Available in standard sizes to fit test tubes and flasks of various widths. Size is imprinted on each. Priced individually. Stoppe r Size Top Diameter (mm) Bottom Diameter (mm) Height (mm) 000 13 8 25 00 15 10 25 0 17 13 25 1 19 14 25 2 20 16 25 3 24 18 25 4 26 20 25 5 27 23 25 5½ 28 24 25 6 32 26 25 6½ 34 27 25 7 37 30 25 7½ 39 31 25 8 41 33 25 8½ 43 36 25 9 45 37 25 9½ 46 38 25 10 50 42 25 10½ 53 45 25 11 56 48 25 11½ 63 50 25 12 64 54 25 Show more