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Free QR labels that remember when you changed the filter
1 follower
Free QR labels that remember when you changed the filter
1 follower
Stick a free QR label on the coffee machine, water filter or printer. Scan it to see the exact part, when you last changed it and when it is due, and find the right replacement. No account, no app. The details live in the QR link, not in a database.
