Anjon Stainless Steel SuperNova Clarifiers are the ideal choice for todays discerning pond owners. Featuring a rugged stainless steel design, these economical ultraviolet purifiers are ideal for residential, commercial and municipal projects. An amazing value, the reflective stainless steel purification chamber boosts effectiveness by 35% compared to inferior plastic units on the market. Available in 36, 40, 55, and 80 watt sizes. Features: Rugged, industrial strength clarifier for residential, commercial, and municipal projects Reflective stainless steel purification chamber boosts effectiveness by 35%. Oversized inlet and outlet ports of 3 inch diameter for improved flow rates. Includes 1 inch to 1.5 inch stepped inlet and outlet barb fittings, 1.5 inch FIPT intlet and outlet for standard schedule 40 PVC fitting. Bulb lasts 9,000 hours. Available in 36, 40, 55, and 80 watt sizes.