Open box. No further testing beyond getting powerto screen. Sold as is. Upgraded IC40 Salt Cell Chlorine Generator Replacement for Pentair EC-520555 40,000 Gal Inground Pool Smart Automation System Missing couplers and gaskets Customer return/ liquidation item. Overall appearance of unit is fair with signs or normal wear / use. No major marks or damage visible. No returns, product is sold for parts or repair only.

Images of item you would receive included in ilsting.