All of our Epson compatible cartridges have a full 100% money back guarantee. The Epson T044420 inkjet cartidges are designed for the following printers: Epson Stylus C64 Epson Stylus C66 Epson Stylus C84 Epson Stylus C84N Epson Stylus C84WN Epson Stylus C86 Epson Stylus CX4600 Epson Stylus CX6400 Epson Stylus CX6600 These cartridges are guaranteed to in no way void the printers warranty. Shipping is Free with order of $50 or more of our low priced Generic & Remanufactured Inkjet Cartridges! For free shipping enter coupon E10 at checkout. Shipping via UPS Ground only. Offer good to US customers only. Availability: Usually ships the next business day. T044420-GRegular price: $5.95Sale price: $4.50, 5/$20.00, 10/$38.00 To Order Please Call 305-582-4846