121008237189

• 1 — Number system
• 21008 — Manufacturer code
• 23718 — Product code
• 9 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Hp printer toner (Color) 940 series

Search for Hp printer toner (Color) 940 series on Amazon (or for the code 121008237189)