Rubber Stoppers
$0.15
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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. Stopper 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
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