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Best is the hamilton single serve coffee maker
JavaJig Reusable k cup (6 Jigs; 180 Filters) - Our refillable k cups for Keurig style makers. Use a reusable k cup with single cup coffee filters to brew a better, cost effective & eco-friendly cupReusable Coffee Filters 4-Pack Universal Refillable Cups Stainless Mesh Single Cup for Keurig 2.0 & 1.0 Brewers, ...