Prozone Water Products PZ4 110v Ozone System Generator for Residential Pools PZ4 110V ozone system for residential pools to 15,000 gallons features our Corona Hybrid Arc Tube, electronic ballast and Injector Bypass install kit Dual-cavity, aluminum, grounded case; Can attach to pack or mount on wall; Electrical system insulated in separate housing; End caps glow when on 110V/60 Hz; Plug: 3-Prong Nema; Ozone Purity: 100%, no nitrogen byproducts; Arc Life (nominal): 20,000 hours; Operating Temp: 25F to 120F Install kit includes Prozone's Dynamic Venturi Injector, 1/4"ozone check valve, hose, hose clamps and adjustable saddle clamps Weight 10lbs