- Compatibility Alert : Ensure your Ninja Blender meets these three criteria: 1. Blade Type: Must have a 7 fin blade (not a 6 fin) 2. Blade Size: Bottom diameter of the original blender blade must be 4 inches 3. Cup Sizes: Compatible with 18oz, 24oz, or 32oz cups only, not 16oz - Model Compatibility : This replacement blade works with the following Ninja Foodi Power Blender models: - BL456-30, BL451-30, BL454-30 - Nutri Ninja Auto-iQ: BN751, BN800, BN801, and more - Includes models BL480, BL490, etc. (Complete list available in product details) - High-Quality Construction : Crafted from 100% BPA-Free, high-impact plastic and food-grade, high-strength stainless steel. The 7 fin design provides enhanced performance and durability. Dishwasher safe for easy cleaning and maintenance. - Durability Focus : Designed to eliminate common issues like cracking and rust after extended use. Our advanced 7 fin blade significantly enhances the blade's longevity, ensuring reliable performance with every blend. - Usage Scenarios : 1. Ideal for making smoothies and protein shakes, ensuring consistently smooth textures. 2. Excellent for blending soups and sauces, delivering uniform results every time. 3. Perfect for creating nut butters and frozen desserts, making meal prep easier and more enjoyable. Experience improved blending efficiency and longevity with our expertly engineered replacement blade, tailored to fit your Ninja Blender perfectly.