mwave offers the Brother TN-420 / TN-450 Compatible Toner Cartridge 2-Pack, model no. TN420BKTN450BK, for $29.99 with free shipping. That’s $14.99 per cartridge and the lowest total price we could find for two units by $10. (For further comparison, we saw a single unit for $18 last fall.) These cartridges are compatible with the Brother HL-2240 and HL-2270 Series.
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