ND Brand 4x100ml Premium Dye ink refill kit for Epson 126 T126, NX330 NX430, WorkForce 435 520 545 630 633 635 645 840 845 60 Printers.The item with ND logo. Light Fastness 5-6 BWS Smell Normal water base ink smell Temperature -15C no frozen and 70C no gelling Water Fastness 3 (Average on matte paper) 4 (Good on Photo paper) pH 6-8