B model:It's ellipse inside (the attached drawing)
It can make the ink flowing faster and make printing more quick.
Price Terms︰
FOBshenzhen
Payment Terms︰
TT/Wester Union /Moneygram/Paypal
Packing︰
Neutral Packing
Lead Time︰
3~5 days
Advantages︰
1.It can filter the ink. 2.It can protect the printhead. 3.It can protract the printer longevity. 4.It's made of P.P material and can be ink-proof.