[Compatibility]-- This replacement bl blade is compatible with NutriBullet 600 Watts and NutriBullet Pro 900 Watt High-Speed Bl series/mixer systems. Fits Nutribullet bl cups of 18, 24, and 32 Ounce sizes. 600w models: NBR-0601, NBR-1201, NB-101, NB-101B, NB-101S; 900w models: NB9-1301, NB-201. These bl attachments are not suitable for Magic Bullet 250 watts, NutriBullet Lean / RX, Bullet, or Nutri Ninja bls. [Powerful Extractor Blade with Tight Seal] -- Constructed from high-strength material, the cross extractor blade rotates at high speed to extract nutrients quickly, helping you make healthy, nutritious smoothies for home or on-the-go consumption. Equipped with a sealing ring, this replacement blade provides a secure seal, enhanced durability, and leak resistance, supporting a healthier lifestyle with worry-free blending. [Extra 2 Gaskets]-- One washer is pre-installed in the blade assembly to ensure a proper seal and prevent leakage. The included accessories are ready to use upon arrival. Two additional gaskets are provided for future replacements. Do not install more than one gasket at a time. Each blade must be sealed with only one gasket. Before each use, place the extractor blade onto the cup and twist until tightly secured. [Note]-- Never submerge the blade unit in water. To clean, twist off the blade, hand wash with warm soapy water, then rinse and dry thoroughly. Do not remove the gasket, as this may cause permanent damage and lead to leaks. It is recommended to replace the bl blade every 6 months or as needed for best performance. Color: Grey (random brush color, no specific color selection available) Material: Plastic Package Contents: 1 x Knife Holder 2 x Sealing Ring 1 x Cleaning Brush