Description: Made of premium Rubber with good elasticity, smooth surface and hardwearing, due to high quality rubber Used for filtration assemblies, together with a flask for filtration Applied singly or nested with adjacent sizes, reducing the risks associated with insertion and removal of glass stems through these rubber stoppers Specification: Material: Premium Quality Rubber Overall Size: #1: Top Diameter: 17mm/ 0.67 Inch; Buttom Diameter: 10mm/ 0.4 Inch #2: Top Diameter: 23mm/ 0.9 Inch; Buttom Diameter: 15mm/ 0.6 Inch #3: Top Diameter: 29mm/ 1.14 Inch; Buttom Diameter: 20mm/ 0.78 Inch #4: Top Diameter: 35mm/ 1.37 Inch; Buttom Diameter: 21mm/ 0.82 Inch #5: Top Diameter: 41.5mm/ 1.63 Inch; Buttom Diameter: 26mm/ 1 Inch #6: Top Diameter: 49mm/ 1.93 Inch; Buttom Diameter: 30.7mm/ 1.2 Inch #7: Top Diameter: 61.5mm/ 2.42 Inch; Buttom Diameter: 42.5mm/ 1.67 Inch #8: Top Diameter: 71mm/ 2.8 Inch; Buttom Diameter: 53mm/ 2 Inch #9: Top Diameter: 83.5mm/ 3.28 Inch; Buttom Diameter: 64.5mm/ 2.54 Inch Color: as shown in display pictures Package Includes: 1 Set of Filter Adapter Cone Set
