Walmart offers the Intex Krystal Clear Saltwater System
, model no. 28669EG, for $99.88
with free shipping
. That's tied with our May mention, a current low by $24, and the lowest total price we've seen. It features a 24-hour auto-clock cycle, purports to clean a maximum pool size of 15,000 gallons, and requires a filter pump with a flow rate between 700gph to 3,000gph.