[Expired]Waterpik Cordless Water Flosser Rechargeable Portable Oral irrigator for Travel & Home – Cordless Advanced, Wp-560 White

: Definitely don't buy the small one - it has design flaws. It runs out of water after just cleaning a few teeth, requiring constant refills. Plus, the tip keeps popping out whenever water comes out, making it unusable. I returned it and switched to the larger model. I've been using this brand for several years now. 千万不要买那个小的，设计有问题，才洗几颗牙就没水，一直要灌水，然后上面那个tip一出水就跳出来，没法用，退了还是换了大的，前面也一直用了好几年这个牌子

: Costco has a good price Costco的价格好

: I've broken two Waterpiks; it feels like this product has quality issues. 坏了两个water pick了，感觉这玩意质量有问题

: Which one is good for personal home use? 自己在家用，哪款好

: There's no $16 coupon available. 没有16块的优惠券啊