Coffee filters are available online at a number of different retailers, including Target. Target carries a variety of different coffee filters for different coffee maker types, sizes and models.
Amazon.com also carries a large selection of coffee filters, including filters and coffee pods for K-cup machines. eBay also has a large selection of coffee filters, including coffee filter baskets and re-usable coffee filters. On eBay, customers can purchase coffee filters in small quantities as well as larger, wholesale quantities. Uline also carries a variety of different brand and sized coffee filters, as well as a large variety of coffee supplies.