"Trickle-flow and Bio Ring media create the optimum environment for natural ammonia digesting bacteria. Coarse and fine mechanical filtration mats remove debris to improve water clarity. Activated carbon pad removes odors and improves water clarity.

Venturi, overflow and internal spray systems enhance and protect bioactivity, external design makes installation and maintenance simple, and fittings are standard 3/4", 1", 1 1/4" to accommodate any pump or UV sterilizer.

Suitable for 1,000 gallon koi ponds to 1,800 gallon water gardens. Compatible with all pumps up to 780 gph."