1.BEST REPLACEMENT: If your blender leaks or becomes louder during mixing, it's time to replace the extractor blade. It is really recommended to check the bottom blade regularly and replace it every 6 months to get good performance. 2.CONVENIENT AND FAST: The blade is made of high-quality stainless steel, which can easily crush fruits, vegetables, superfoods and protein shakes into a delicious, smooth texture. After mixing, you can put it in the dishwasher for cleaning. 3.PLEASE CHECK: Before buying, please check your existing blades by calculating the fins. Please check the number of your existing blades. It should be 6 fins and 4.1 inches. 4.THE CONTENT INCLUDES- 3 x bottom blade replacement parts. Also please note that the rubber gasket may be loose during transportation. Pls check it before use and make sure it is put tight into the replacement bottom blade. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.