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Chromebasketball t1_ixr37ih wrote on November 25, 2022 at 5:38 PM

Reply to comment by RecognitionOne395 in Purchased 25 March 2012. Last night the on-off switch failed. by tiredofland

The new brush head have medium blue bristles at the top and bottom. When they turn 3/4 white, it’s time to replace the heads. Costco has replacement heads on sale usally around Christmas.