Transform Your Pond into a Crystal Oasis! 💦 Bio Ring media offers a massive surface area for thriving aerobic bacteria, promoting a healthy ecosystem. Mechanical pre-filter sponges effectively remove debris, enhancing your pond's clarity. Designed for easy out-of-pond accessibility, making upkeep a breeze. Perfect for water gardens up to 1200 gallons or Koi ponds up to 500 gallons. Arrives in Certified Frustration-Free Packaging, ensuring a hassle-free unboxing experience. Supports beneficial bacteria Improves water clarity Interchangeable fittings The TetraPond Clear Choice Biofilter PF-1 is engineered for efficient filtration, featuring easy maintenance, superior water clarity, and compatibility with various pond sizes, all while ensuring a seamless unboxing experience.