specifications︰ CHARACTERISTIC 1.The capacity of cartridge is about 80ml per color 2.You can use 30ml vacuum refill tool refilling proper millilitre ink into the same cartridge 3.It can be used over and over again.As long as the ink quality attains the standard,and will not cause the breakdown generally 4.The cartridges have chips 5.It's made of P.P material,so it can be solvent-proof 6.If they are the same cartridges,they can be suitable for the same printer COLOR BK/C/M/Y/LC/LM SUITABLE INK CARTRIDGE AND PRINTER 1.MJIC7/M/J-810C/MJ-830C/MJ-830CS/MJ-830CS2 2.PT-100,PT-110B,PT-110W, PT-100,PT-110B,PT-110W 3.PM-2000C,PM-600C,PM-670C,PM-680C,PM-700C,PM-750C,PMIC1C,PM-2000C,PM-600C,PM-670C,PM-680C,PM-700C,PM-750C Advantages︰ 1.It can reduce the cost. 2.It's very convenient to use it. 3.The price is low,but the quality is good. 4.You can protect the environment if you use it.