ROCKSOLAR 0.5HP Solar DC Swimming Pool Pump What it does: Circulates pool water using solar power. Key specs: Flow rate: up to 53.7 GPM | Max head: 29.5 ft Operating voltage: 20-48V DC Outlet connection: 2" Power mode: solar only Built for: Fresh water residential pools (above-ground & small/medium in-ground), water features, decorative fountains, off-grid pool systems Not suitable for salt water pools. This pump is built for fresh water only - and that includes any pool run on a salt chlorine generator, which is salt water even at a fraction of sea strength. If your pool is salted, this is not the right pump for it. Ask us first and we will point you to something that suits. Key features: Low maintenance, durable design Simple installation Warranty: 5 years