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Plasticoid M18 Kjeldahl One Hole White Rubber Stoppers
Plasticoid M18 Kjeldahl One Hole White Rubber Stoppers are specially made for use with 500 mL and 800 mL Kjeldahl nitrogen determination flasks. Natural Rubber, Pure Gum stoppers have a low sulfer content and provides excellent durabilty and resilience. Hole diameter on stoppers with hole is 8 mm. One-hole style can be enlarge or the solid stopper bored to take larger sizes. For use with food grade applications such as homebrew beer and wine making used with carboys.
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