Plastic circles in tank of Keurig K10
What use are the 3 plastic circles (attached together) in the tank? Do I need them?
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0
crwdns2936751:024crwdne2936751:0 0
crwdns2936753:07crwdne2936753:0 0
crwdns2936753:030crwdne2936753:0 1
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