Compatible HP 37X / 37A (CF237X / CF237A) Black Toner Cartridge — 1 Pack — 25,000 Pages (Letter/A4, 5% Coverage) — Fits Enterprise M607/M608/M609/M631/M632/M633 Series

Replacement black toner for HP 37A / 37X (CF237A / CF237X). This 1-pack black cartridge is a compatible substitute for CF237A / CF237X and is rated at 25,000 pages per cartridge for HP M608 (Letter/A4, at 5% coverage). Compatible printers and models include: M607 and M607dn; M608, M608n, M608dn, M608x, M608dh; M609, M609x, M609dn, M609dh; Enterprise MFP models M631z, M631dn, M632h, M632fht, M633fh; and Enterprise Flow MFP models M631h, M632z, M633z. Color: black (37A CF237A).