T502 Ink Refill Bottles for EcoTank printers (2BK C M Y) vs Canon GI-21 Pigment Black Ink Bottle (Pack of 2) for MegaTank printers

Overall winner: T502 Ink Refill Bottles for EcoTank printers (2BK C M Y)

Key Differences

OFFICENTER T502 offers higher-capacity 140ml bottles with auto-stop, spill-free design and an estimated yield up to 8,500 pages at 5% coverage, making it a more economical refill option and compatible with EcoTank ET-4760/ET-3760. Canon GI-21 is a genuine pigment black formulation sold as a pack of two for MegaTank printers, focused on sharp text durability and brand-original ink chemistry

T502 Ink Refill Bottles for EcoTank printers (2BK C M Y)

T502 Ink Refill Bottles for EcoTank printers (2BK C M Y)

OFFICENTER • ★ 4.3/5 • Budget

502 ink refill bottles with large capacity for EcoTank printers. Each 140ml bottle prints up to 8,500 pages at 5% coverage. Auto-stop design minimizes spills and simplifies filling

Pros

  • large-capacity 140ml bottles
  • prints up to 8,500 pages at 5% coverage
  • auto-stop design prevents spills
  • wide compatibility with Ecotank models

Cons

  • contains multiple color bottles (2BK C M Y) may require careful handling
  • no customer insights provided
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Canon GI-21 Pigment Black Ink Bottle (Pack of 2) for MegaTank printers

Canon GI-21 Pigment Black Ink Bottle (Pack of 2) for MegaTank printers

Canon • ★ 4.0/5 • Mid-Range

Pigment black ink bottles designed for select Canon MegaTank printers. Delivers sharp black text on plain paper. Pack contains two bottles; per-pack information provided

Pros

  • pigment black ink formulation
  • designed for compatible MegaTank printers
  • pack of two bottles
  • easy-to-fill bottles for MegaTank systems

Cons

  • per-pack information only
  • compatibility limited to specific models
  • no customer-identified improvements noted
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Head-to-Head

CriteriaWinner
Price OFFICENTER
Durability Canon
Versatility OFFICENTER
User Reviews OFFICENTER