Demiwise Fine Pond Filter Pad 18" x 36" x 1" - Thickened Cut-to-Fit Reusable Pond Filter Media for Outdoor Ponds, Aquariums & Fountains - Clear Healthy Water

Perfect for Koi Ponds & Aquariums:Engineered for koi ponds, aquariums,fountains,and aquaponics,this coarse koi pond filter media captures fish waste, algae, and leaf debris while maintaining strong water flow. Works great as an aquarium filter pad or filter pads for fish pond systems

Cut-to-Fit Flexibility:Sized at 18"x36x1", this koi pond filter pad is easy to cut with scissors to fit pond skimmers, waterfall boxes, and custom filtration setups. An ideal filter material for building or upgrading your water system

Durable & Reusable:Made with bonded polyester fiber, this pond filters for outdoor ponds resists warping, tearing, and breakdown. Simply rinse with a garden hose and reuse up to 2–3 times

Clear Water, High Flow:The open-fiber structure allows steady water flow while trapping fine and large particles. Helps maintain oxygen levels and keeps your water clean and balanced—perfect for koi ponds and aquariums alike

Safe for All Aquatic Life:Non-toxic, dye-free, and plant-safe. Whether you’re filtering a koi pond, aquaponics system, or aquarium, this media is safe, versatile, and backed by Demiwise quality support