Reusable Filter for Ninja Dual Brew, 2 Pack K Cup Coffee Pods with 1 Coffee Filter #4 Cone for Ninja Dual Brew Coffee Maker Ninja CFP301 CFP201 - Walmart.com
Amazon.com: Reusable 4 Cone Coffee Filter 4 6 8 10 Cup Basket Coffee Filters Fit for Cuisinart,Ninja, Hamilton Beach Coffee Maker (Not Applicable to Ninja CFP251, CFP200): Home & Kitchen