Check the listing for details. Reusable Single K-Cups Filter Pod System Compatible with Keurig 1.0 Coffee Maker. Color: Black, Condition: New. Listed at 6.25 USD. Reusable Refillable Single K-Cups Filter Pod System Compatible with Keurig 1.0 Coffee Makers in Various Pack SizesUse your own gourmet ground coffee in a Keurig brewer--Just fill the Reusable filter with your favorite coffee and pop it into your brewer.....Just like a regular K cup100% BPA freeNo need to remove or swap out the filter holder; Built-in permanent stainless steel micro mesh filterWorks in Keurig B31, B40, B44, B60, B50, B66, B70, B77, B200, B140, B145, Breville Kcup, Mr. Coffee Kcup , Cuisinart KcupThey are NOT compatible with KEURIG B30 - B130 - B150 - B 155 or any 2.0 SystemThey work only for 1.0 Keurig System only. This is an aftermarket item made to fit Keurig Coffee MakersFEEDBACK:We will leave feedback after receiving a feedback. If for any reason you are dissatisfied with your purchase, please contact us immediately before leaving any NEGATIVE FEEDBACK so we resolve whatever issue you may have. 100% Customer satisfaction! Sales Tax:CA residents will be charged sales TaxSHIPPING:Orders are usually processed within 24-48hrs. All weekend purchases are shipped Monday. Tracking information is periodically updated by the shippers.Please note that we do not have any control over this. ALLOW 7-10 BUSINESS DAYS FOR DELIVERY. Item is well packaged before shipping. We ship to all 50 states. CONTACT US:Have any question(s) contact us in contact seller. RETURNS:Returns are accepted but must be authorized in advance.