| Detail |
These black, high percentage rubber stoppers are low in free sulfur and have two holes to facilitate laboratory procedures. Stoppers sized as 00 have 3mm diameter holes; the size 1 stopper has 4mm holes. Stoppers sized as 2 and larger have 5mm diameter holes. Stoppers remain resilient and pliable under most laboratory conditions.
Length: 39mm
Top diameter: 90mm
Bottom diameter: 75mm
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