Premium Compatible CF237Y (HP 37Y) Extra High Yield Black Toner Cartridge fully compatible with the HP LaserJet Enterprise M608x, M608dn, M608n, Flow MFP M631h, MFP M631z, MFP M632h, MFP M632fht, MFP M633fh. The use of compatible supplies does not void your printer warranty.
HP CF237Y (HP 37Y) Extra High Yield Black Toner Cartridge is designed to perform in the HP LaserJet Enterprise M608x, M608dn, M608n, Flow MFP M631h, MFP M631z, MFP M632h, MFP M632fht, MFP M633fh