g 100g K1 K2 K3 mbbr Aquarium Koi Pond Plastic Biochemical Filter Media Fish Tank Tumble Filter Material Bacteria House

Product name: K1 K2 K3 aquarium koi pond plastic biochemical filter media fish tank filter material bacteria houseK1/K2/K3 filter mediaMaterial:PlasticSize:K1 diameter: 11mmK2 diameter: 15mmK3 diameter: 25mm1 cubic meters K1 about 1kg1 cubic meters K3 about 110kg1kg K1 is about 0.004 cubic meters1kg K3 is about 0.006 cubic metersMain features and working principle:According to the mechanics, the geometric configuration and the adhesion ability of the strengthened surface are designedLarge packing surface area, attached biomaWithout stent, easy to flow, saving energyVery simple maintenancePlease allow 3-5mm difference due to manual measurement.