Philips Sonicare’s premium DiamondClean smart 9300 electric toothbrush hits new $175 low or grab the 4100 model at $40

Amazon is currently offering the best price to date on the advanced Philips Sonicare DiamondClean Smart 9300 Electric Toothbrush for $174.96 shipped, after clipping the on-page $25 off coupon. Normally $230 at full price, it’s been keeping down at $200 since the start of May, but is now getting an additional $25 savings tacked on for an even better deal. You’re getting a combined $55 markdown here that lands it at a new all-time low price, beating out Black Friday’s former low by $5. There’s als