Match to bl.A.: S7 maxv ultra, s7 maxv plus, s7 maxv, s7 , s7. Replace after 6-12 months lining it best performance. What can be necessary to replace more often by regular use. Manufacturer article number: 8.02.0081 Match to following printers: s7 s7 maxv s7 maxv plus s7 maxv ultra s7 plus s8 s8 plus Brand: Roborock