· [Worry-Free Compatibility Guide] Refillable pods designed exclusively for Ninja DualBrew Pro systems with a 3-hole water outlet (fit models: CFP201, CFP300, CFP301, CFP305, CFP307, CFP400). Precision-engineered with 304 stainless steel for seamless integration. Important: Verify compatibility before purchase (not for old models CFP101/PB051/PB055ABL, etc.).· [Safe and Durable Material] These reusable k cups crafted from food-grade 304 stainless steel and durable plastic with BPA-free certification. Lab-tested for 3000+ cycles, corrosion-resistant mesh ensures even extraction while blocking residue.· [10-Second Cleaning Revolution] Features heat-resistant handles and hydrophobic coating—lift the filter effortlessly post-brew.Coffee grounds slide out cleanly;just rinse under water. Wide edges prevent grime buildup, and dishwasher-safe design saves 90% cleanup time.· [Barista-Pro Brewing Tips] For beginners: Fill 2/3 with medium-ground coffee (12-15g). Adjust grind size and dosage over 3-5 trials to unlock rich flavors.Pro Tip: A slight metallic scent during initial uses? Boil empty filters twice to eliminate it. Experiment with roast levels (light/dark) and extraction times to craft your signature cup!· [A More Affordable Mix] Compared to disposable coffee pods, reusable K-Cups offer a more cost-effective solution. We offer a combination of 4*k cups, allowing you to craft personalized coffee experiences throughout your day - morning awakening, midday boost, afternoon delight, and evening indulgence. Each specially curated blend transforms every sip into a bespoke flavor journey. Elevate your daily coffee ritual and start customizing your perfect coffee from today!