Specification:

WORKS FOR HP Office Pro K550 K5300 K5400 L7580 L7380 etc. printers

Cartridge Model:

4 colors 4 cartridges: C9396A, C9391A, C9392A, C9393A/ C4936A C4937A C4938A C4939A  （CISS- HP18， HP88）

Features:

1) Top rank in China market, professional manufacture.

2) Vivid and High quality output and high stability with low price.

3) Quick installation and simple to use.

4) No clogging, No leaking.

5) Inktank is thick and hard.