Mountain Tree Koi Matting 120cm x 100cm x 4cm water that is pumped out

water that is pumped out the filter will enter the filter

Enhance fish and microbes immune system

suitable for pre-filtration of any biological filter including all pressured filters

Comprehensive Koi Health & Recovery Services

Mountain Tree Koi Matting 120cm x 100cm x 4cm water that is pumped outThe Mountain Tree Spiral Filter Mat has both physical and biochemical filtration capabilities with excellent water permeability. It provides a subarea for bacteria to achieve step by step biological filtration. Multi functional filter media Patented spiral 3D structure Moderate thickness and density Hot melting solid structure Easy to cut, maintain and install https: youtu. be eBRCaUKFosA? si=lvUU75dfWr7j0JAx Patented Spiral 3D Structure More surface