The package contained: 9 pieces black cone funnels in different sizes(Please carefully check the size of the products on the picture before purchase).
Reliable quality: The funnel is made of high-quality rubber with good elasticity, which is smooth and wear-resistant, durable for long time use.
Practical tool: These rubber filter adapter cone can reduce treduce the damaged risks for glass stems when inserting or removing them.
Application: The filter adapter cones set are flexible for various sizes of experimental filtration apparatus and can be used as a single assembly or used for interlinking apparatus.
Note: Keep these rubber filter cones away from acid, alkali and corrosive reagents; Product temperature range: 0-70 degree centigrade.