Features Made of premium rubber with good elasticity, smooth surface and wear-resistant. Used for filtration sets, combined with a balloon for filtration. They can be used alone or nested with adjacent sizes. Nine different diameters, different sizes to meet your needs. 100% brand new and high quality. Specification: Material: Rubber Weight: 218 g Colour: Green Size: (as shown in the pictures). #1: Top Diameter: 17mm/0.67"; Bottom Diameter: 10mm/0.4" #2: Top Diameter: 23mm/0.9 inch; Bottom Diameter: 15mm/0.6inch #3: Top Diameter: 29mm/1.14"; Bottom Diameter: 20mm/0.78" #4: Top Diameter: 35mm/1.37"; Bottom Diameter: 21mm/0.82" #5: Top Diameter: 41.5mm/1.63"; Bottom Diameter: 26mm/1inch #6: Top diameter: 49mm/1.93 inches; Bottom diameter: 30.7mm/1.2in #7: Top Diameter: 61.5mm/2.42"; Bottom Diameter: 42.5mm/1.67" #8: Top diameter: 71mm/2.8 inch; Bottom diameter: 53mm/2inch #9: Top Diameter: 83.5mm/3.28"; Bottom Diameter: 64.5mm/2.54" Features: They can be used alone or nested with adjacent sizes. Made of premium rubber with good elasticity, smooth surface and wear-resistant. Used for filtration sets, with a balloon for filtration. Nine different diameters, different sizes to meet your needs. Package includes: 9 x Cone Filter Adapter Note: 1. Please allow slight errors due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same, the colour of the item shown in the photos may be slightly different from the actual item. Please take the real one by default. Package List