Newegg offers the APEC Reverse Osmosis Water Filter System, model no. ROES-50, for $179.95 with free shipping. That's tied with last week's mention and the lowest total price we could find by $19. This well-reviewed filtering system purports to remove up to 99% of chlorine, chemicals, heavy metals, and bacteria. Deal ends June 3.
Home Depot offers the Bayit Smart Wi-Fi Socket, model no. BH1810, for $39.99. Opt for in-store pickup to dodge the $5.99 shipping charge. (Newegg and StackSocial charge the same with free shipping.) That's tied with our March mention and the lowest price we could find by $7. It purports to be compatible with all home appliances and can be programmed from your smartphone.