Walmart has the intex Krystal clear SWG model cg 28663 (120v Krystal Clear Saltwater System Cg-28663 - Intex) on sale for $50. It is not shown at this price either online or in the store. It is labeled as on sale for $89. I bought 1 and when I looked at my receipt saw it was only $50 so I went back and bought another as a back up.