Popsugar Living Amazon Prime Day The Best Amazon Prime Day 2021 Day 2 Deals and Discounts Amazon Prime Day Is NOT Over Yet! Shop the 50+ Best Deals We Found For Day 2 22 June 2021 by Macy Cate Williams View On One Page Photo 51 of 52 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 51 Waterpik WP-660 Water Flosser Waterpik WP-660 Water Flosser ($40, originally $70) Waterpik WP-660 Water Flosser $40 from amazon.com Buy Now Previous Next Start Slideshow ShoppingAmazon Prime DayAmazon PrimeAmazonSales