VWR Black Rubber Stoppers, One-Hole, Kjeldahl is a reliable and dependable addition to the VWR Laboratory Consumables family of products. Combining top-notch and uncompromising quality with an affordable price, the VWR Black Rubber Stoppers, One-Hole, Kjeldahl 500M291/ 59587-400 can fulfill your laboratory needs while still offering a great value for the money.
Product Category Description:
These black rubber, one-hole stoppers are specifically designed to fit 500 and 800mL Kjeldahl nitrogen determination flasks. Stoppers have low free-sulfur content (1/2%), lower density than neoprene, and excellent resiliency and pliability. Both sizes come with an 8mm diameter hole.