The funnel filter cone adapter are designed to enhance the efficiency of your laboratory filtration setup. The collar silicone stopper provide fit, ensuring that the funnel remains in place during filtration. Features -Color:White -Material:Silicone -Size:8.30X8.30X3.20cm/3.26X3.26X1.26in -Size:7.10X7.10X3.20cm/2.79X2.79X1.26in -Size:6.00X6.00X3.20cm/2.36X2.36X1.26in -Size:5.00X5.00X3.20cm/1.97X1.97X1.26in -Size:4.20X4.20X2.70cm/1.65X1.65X1.06in -Size:3.40X3.40X2.30cm/1.34X1.34X0.90in -Size:2.80X2.80X1.60cm/1.10X1.10X0.63in -Size:2.20X2.20X1.40cm/0.86X0.86X0.55in -Size:1.70X1.70X1.20cm/0.67X0.67X0.47in -High performance filtration: funnel flask adapter ensure high performance filtration, effectively removing unwanted particles -Flexible use: the funnel cone stoppers can be used in multiple settings, providing flexibility for different filtration tasks -Practical design: the filter cone adapter are made from silicone materials, ensuring they withstand rigorous use -Easy to use: the funnel filter adapter cones are easy to use, making the filtration process simple and efficient -Wide range of application: the funnel silicone stopper are designed to be used with various laboratory equipment, offering wide applicability Package list: 10 x filter adapters