Japanese filter mat

medium,which can removes ammoniac and nitries by means of bacteria.This mat gives a large specific surface area for the bacteria to attach to and simultaneously allows sufficient flow of water to go through the filter without clogging. The mats are rigid,easy to handle, easy to clean and designed for many years of useful work. Furthermore the polyester fibres do not container chlorine so the environment is not endangered after disposal 1.Our filter mat is made of twisted PET fibre and special water resistant water. 2.Standard size is 200x100x3cm and200x100 3.8cm.Customized order is also possible. 3.specific surface area 300m2/m3. 4.Four colour is possible,sky blue,green,pure blue and standard colour. 5.Re:packing,first the filter mat is covered by water proof paper,then it's packed in plastic film.Usually one pakage 10 pcs. 6.Our filter mat is widely used for koi pond,aquarium equipment and silencing pad for cooling tower .