844359052477

• 8 — Number system
• 44359 — Manufacturer code
• 05247 — Product code
• 7 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 844359052491 — 18X24X1 17.5 X 23.5 Platinum Filter Merv 11 1 In
• 844359051517 — 15X25X1 Actual Size Platinum Filter Merv 11 1 In
• 844359052798 — 24X36X1 Actual Size Platinum Filter Merv 11 1 In
• 844359051951 — 24X25X1 Actual Size Platinum Filter Merv 11 1 In
• 844359052842 — 30X36X1 Actual Size Platinum Filter Merv 11 1 In
• 844359080258 — 24X25X1 23.5 X 24.5 Diamond Filter Merv 13 1 In

18X20X1 17.5 X 19.5 Platinum Filter Merv 11 1 In

Search for 18X20X1 17.5 X 19.5 Platinum Filter Merv 11 1 In on Amazon (or for the code 844359052477)