042741093903

• 0 — Number system
• 42741 — Manufacturer code
• 09390 — Product code
• 3 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Universal security instruments carbon det ac w/batt bckup bx usi CD9390

Search for Universal security instruments carbon det ac w/batt bckup bx usi CD9390 on Amazon (or for the code 042741093903)