The K Series 4" Submersible Pumps in 5, 7, 10 and 20 GPM models offer dependable performance and value. K Series pumps will handle dry run conditions. The proven "floating impeller" staging system incorporates 1st-in-class performance, sand handling and thrust management with the industry exclusive "dry-run" design element. Reinforced engineered composites and stainless steel offer high resistance to corrosion and abrasion.