Marine Air and Water Purification Applications Aquatronics Industries Marine Applications for Platform and Vessel Water Purification features Aqua-Guard Designs that combine Aquatronics components and Sentry Ultra-Violet Technology. The stainless steel ultraviolet light tested by NASA and provider of UV lamps to industries, brings clean, crystal clear, bacteria free water into use (pictured left) or the heavier duty (pictured right) with its Unique Aqua-Guard Filter with Green Sand Modules. The Aqua-Guard Filter safely and affordably removes chlorines, chloramines, and dangerous micro-organisms from your water. The heavy duty filter cleans 99% of all bacteria, viruses, and parasites six (6) microns or larger. The UV light included with the unit has a polished interior that reflects UV light and provides for maximum sterilization. Your water will taste better than ever before and will be safer to use and consume. It kills and cleanses e-coli, cryptosporidium, prevents staph infections, and other dangerous microorganisms and particulates from your water system; it is even capable of killing anthrax. The Marine Water Purifier with Green Sand and Aquabond Anitmicrobial Media Filtration System features: Heavy-Duty Backwash Valve Durable, High Quality Stainless Steel UV Light made with 316-L Food Grade Stainless Steel Extended Lamp Life of up to 10,000 hours Easy to Install, Easy to Maintain Water Filtration Unit that Protects the Entire Area Selected for Installation