[Compatibility]-- This replacement bl blade is compatible with NutriBullet 600 Watts and NutriBullet Pro 900 Watt High-Speed Bl series/mixer system. Fits Nutribullet bl cups of 18, 24, and 32 Ounce sizes. Compatible with 600w models: NBR-0601, NBR-1201, NB-101, NB-101B, NB-101S; and 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 efficiently extract nutrients in minutes, helping you create healthy, nutritious smoothies for home or on-the-go consumption. Equipped with a sealing ring, this replacement blade offers improved sealing performance, enhanced durability, and leak resistance, supporting a worry-free blending experience for a healthier lifestyle. [Extra 2 Gaskets]-- One washer is pre-installed in the blade assembly to ensure a secure seal and prevent leakage. The included accessories are ready to use upon arrival. Two additional gaskets are provided for future replacements. Do not install multiple gaskets during use. Each blade should be sealed with only one gasket. Before each use, place the extractor blade onto the cup and twist until tightly secured. [Care Instructions]-- Never submerge the blade assembly in water. To clean, twist off the blade, wash by hand with warm soapy water, and rinse thoroughly. Dry completely before reuse. Do not remove the gasket, as this may cause permanent damage and lead to leakage. For optimal performance, we recommend replacing your bl blade every 6 months or as needed. Color: Grey (brush color may vary, no color selection available) Material: Plastic Package Contents: 1 x Knife Holder, 2 x Sealing Rings, 1 x Cleaning Brush