Prozone Water Products PZ1 220V Ozone System, 8" by 3-1/2" by 3", Silver PZ1 220 VAC ozone system for portable spas up to 800 gallons features our patented Corona Hybrid Arc Tube, solid state ballast, and installation kit Rugged, functional housing made of heavy extruded aluminum for durability; translucent end caps glow when system is on 220 VAC 50/60 Hz Connection: Amp Plug Ozone Purity: 100% no nitrogen byproducts Arc Life (nominal): 20,000 hours Operating Temperature: +25 Degree F to +120 Degree F Install kit includes 1/4"ozone check valve, hose, hose clamps, and mounting screws Weight: 3 lbs. Dimensions: 8"W x 31/2"D x 3"H Warranty - 2 years This is an aftermarket of generic part