The model number # must be identical. Compatible With:Only Fits for Ninja Pro Extractor Blade Assembly Ninja Pro BL450 30/ BL 456 30/ BL455 30, 900W/ 1000W Nutri Ninja Pro Deluxe BL451 30, 900W Nutri Ninja Auto-iQ Blender BL480 30, BL481-30, 1000W, BL482 30, BL482QPR 30, BL482QPK 30, 1100W Ninja Auto-IQ Smooth Boost Blender: BL490 30, BL491 30, BL492 30, BL492W 30, BL493Z 30, BL494 30.
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