100% new and high quality. Made of premium rubber with good elasticity, smooth surface, and durable wear resistance. Designed for filtration assemblies and used with a flask for filtration. Can be used individually or nested with adjacent sizes. Features nine different diameters in various sizes to meet your needs. Material: Rubber Weight: 218g Color: Green Size: As shown in images 1: Top Diameter: 17mm (0.67in); Bottom Diameter: 10mm (0.4in) 2: Top Diameter: 23mm (0.9in); Bottom Diameter: 15mm (0.6in) 3: Top Diameter: 29mm (1.14in); Bottom Diameter: 20mm (0.78in) 4: Top Diameter: 35mm (1.37in); Bottom Diameter: 21mm (0.82in) 5: Top Diameter: 41.5mm (1.63in); Bottom Diameter: 26mm (1in) 6: Top Diameter: 49mm (1.93in); Bottom Diameter: 30.7mm (1.2in) 7: Top Diameter: 61.5mm (2.42in); Bottom Diameter: 42.5mm (1.67in) 8: Top Diameter: 71mm (2.8in); Bottom Diameter: 53mm (2in) 9: Top Diameter: 83.5mm (3.28in); Bottom Diameter: 64.5mm (2.54in) Package Includes: 9 x Filter Adapter Cone Note: - Please allow slight measurement deviations due to manual measurement. - Monitor settings may vary; actual item color may differ slightly from images. Please refer to the physical product for accurate color.