$2.75 – $3.25
Solid silicon rubber stoppers are cleanly drilled with a 19mm diameter hole to fit most standard Buchner funnles. No flaking or lose particles to contaminate your product. Available in 2 sizes:
Silicon rubber filter flask stoppers, available ins No. 8 or 10 size, to fit 500ml or 1000ml flasks. These stoppers are cleanly bored at 19mm diameter to fit most standard Buchner funnels for a nice, tight and leak free seal. Made of solid blue silicon rubber, no flaking or lose particles to contaminate your filtration product.
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