BRITA MAXTRA+ Cartridge - 7 Pack This is an authentic product. It's a high-performance filter for water purifiers. Brand new and unused. I'm selling these because I haven't used them, although I've stored them at home. Instant purchase is OK. - Brand: BRITA - Model: MAXTRA+ - Quantity: 7 cartridges - Country of Manufacture: China - Manufacturing Date: September 12, 2022 Thank you for looking.