For use with :
BJ-30, BJC-50, BJC-70, BJC-80, BN700 series
StarWriter Jet 300, 500, 4000, 350C, 550C

Manufacturers description
Jet Tec supply both compatible inkjet cartridges and remanufactured inkjet cartridges as well as refill kits for a wide variety of inkjet printers. Their cartridges have won many awards including the Queen's Award for Enterprise:Innovation 2004 for their patented Extralife technology which is exclusive to Jet Tec.