Description Our filter adapter cones set come with 9 different diameters and flexible use for various sizes of experimental filtration apparatus. They can be used as a single assembly or used for interlinking apparatus. Made of durable rubber with good elasticity, smooth surface, and wear-resisting. Features - Color: White. - Material: Rubber. - Size: About 8.50X8.50X4.00cm/3.34X3.34X1.57inch. - These rubber tapered collars can be used singly or nested with adjacent sizes. - Nine different diameters, various sizes to meet your needs, very practical. - Made of premium rubber with good elasticity, smooth surface and hard wearing. - These tapered collars will not flaking or lose particles to contaminate your filtration product. - These tapered collars used for filtration assemblies, together with a flask for filtration. These rubber tapered collars can be used singly or nested with adjacent sizes |Nine different diameters, various sizes to meet your needs, very practical |Made of premium rubber with good elasticity, smooth surface and hard wearing |These tapered collars will not flaking or lose particles to contaminate your filtration product |These tapered collars used for filtration assemblies, together with a flask for filtration