Everything you need for clear and healthy water! There is no need to worry about plumbing, fittings or hiding your filtration again. The EasyClear has already mastered that task. The entire unit is easily placed in the pond so there is no need for anything outside the pond. Designed with ease in mind the EasyClear includes a pump, mechanical and biological filter, 5-watt UV light and an adjustable fountain head (includes special ball-joint, giving you a perfect spray even on uneven pond bottoms) with three decorative patterns (2 Tier, 3 Tier & Bell). Capable of filtering 450 gallons- place 18" deep or less for fountain display. 30' power cord included. Comes with a Clearwater Guarantee!