About this item

• I.D. 14mm (14#) stopper is suitable for glassware with matching joint of 14/20 in laboratory
• I.D. 19mm (19#) stopper is suitable for glassware with matching joint of 19/22 in laboratory
• I.D. 24mm (24#) stopper is suitable for glassware with matching joint of 24/40, 24/29 in laboratory
• High quality rubber material, reusable but please avoid cross-use
• Well-made in shape, accurate size, smooth surface and durable to use
• StonyLab ensures high quality products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied
• ASIN: B0BR3P4QCC, B0BR3PGJL9, B0BR3Q1P8M