[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. 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, NutriBullet RX, Bullet, or Nutri Ninja bls. [Powerful Extractor Blade with Tight Seal]-- Constructed from high-strength materials, the cross extractor blade rotates at high speed to efficiently extract nutrients in minutes, helping you create healthy and nutritious smoothies for daily enjoyment at home or on the go. Equipped with a sealing ring, this replacement blade provides a secure, durable seal to prevent leakage, supporting a worry-free blending experience. [Included Components]-- One washer is pre-installed in the blade assembly to ensure optimal sealing and prevent leaks. The package includes two additional gaskets for future replacements. Do not install more than one gasket at a time. Only one gasket should be used per blade. Before each use, place the extractor blade onto the cup and twist securely until tightly sealed. [Care Instructions]-- Never submerge the blade assembly in water. To clean, twist off the blade, hand wash with warm soapy water, rinse, and dry thoroughly. Do not remove the gasket, as this may cause permanent damage and lead to leakage. For best performance, replace the 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