Feature(may vary by option.)

●Come with 9-count different diameters; flexible use for various sizes of experimental filtration apparatus
●Made of durable vulcanized rubber in good elasticity; tapered collar design achieves good experimental result in seal
●It can be used as a single assembly or used for interlinking apparatus; reduce the damaged risks for glass stems
●Please keep these rubber filter cones away from acid, alkali and corrosive reagents; product temperature range: 0 - 70 degree centigrade; high temperature may cause melting
●Guaranteed after-sales service: if received defective or damaged item, please contact us. We will definitely help you solve the problem until you are satisfied

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Description

Limited Warranty: 1-month hassle-free and 1-year limited warranty.

Friendly reminder: glassware products may be fragile during transit. If received defective or damaged item, please contact our support team for help. No matter a replacement or a full refund for the damaged item, we are willing to take care of it for you in a timely manner.