The PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles costs $0.0019/GB while the SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) costs $0.0028/GB. PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles offers 32% better value per page as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles vs SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) — Which Is Better Value?
Specification Comparison
| Spec | PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles | SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) |
|---|---|---|
| Brand | PROSWIFT | SuppliesMAX |
| Capacity | 9K pages | 9K pages |
| $/page | $0.0019 | $0.0028 |
| Price | $17.08 | $24.99 |
| Retailer | Amazon | Newegg |
| Category | Printer Ink & Toner | Printer Ink & Toner |
| Subcategory | cartridge | toner |
Price Across Retailers
PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles
SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK)
Which Should You Buy?
Based on current pricing data, the PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles offers better value at $0.0019//page compared to the SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) at $0.0028//page — that's roughly 32% less per page.
The best deal for the PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles is $17.08 at Amazon, while the SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) starts at $24.99 at Newegg.
However, price per page isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles and SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) product page for detailed specifications and price history.
Frequently Asked Questions
Is PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles or SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) a better deal?
As of July 2026, PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles offers better value at $0.0019//page compared to SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) at $0.0028//page. That is approximately 32% better value per page.
What is the price per GB of PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles?
The PROSWIFT Replacement for Epson 522 High Capacity Ink Refill Bottles Use for EcoTank ET-2800 ET-2803 ET-2400 ET-4800 ET-2720 ET-2840 ET-3950 ET-3850 ET-2850 ET-4700 ET-4800 ET-15000 Printer 6 Bottles is currently priced at $0.0019/GB ($17.08 for 9K pages) at Amazon.
Where can I buy SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) for the cheapest price?
The cheapest price for the SuppliesMAX Compatible Replacement for Brother HL-L9310CDW/MFC-L9570CDW Black Ultra High Yield Toner Cartridge (9000 Page Yield) (TN-439BK) is $24.99 at Newegg, which works out to $0.0028/GB.