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> New 31MM grey blue grade rubber stopper laboratory
New 31MM grey blue grade rubber stopper laboratory
31mm Grey Blue Grade Rubber Stopper
Grey blue solid rubber stopper with part perforated holes. Base diameter 31mm, top diameter 38mm, with 5 x part perforated 6.5mm blind holes (not drilled all the way through), length 45mm. These stoppers provide perfect liquid tightness and good adherence. Resists all chemicals normally used in a laboratory. Temperature range -5'C to +70'C.
