Compatible for Epson T0681 T0682 T0683 T0684 Quality control: 100% Raw material inspection 100% cleaning & drying 100% volume filling ink 100% air-pressure test 100% temperature test 100% printing test Clause: Price term: FOB SHANGHAI. Failure rate of cartridges: for black it's under 1%-3%; for color it's under 3%-5%. Defectives: any quality complaint please contact sales & tell us bar-code first, we will check the cartridges according to the bar-code & give out satisfied solution asap. Please don't hesitate to contact me for further information you might need. ***************************************************************************************************** Delivery: Fast delivery methods and enjoyed a nice discount over certain weight. PS: Please be aware that due to print programming. The ink level for this particular cartridge might display empty on the printer however the cartridge is full .