Plastic combination filter media 

Combined filler is based on soft and semi-soft filler filler to form, it has the advantages of both. Its structure is the plastic disc ring press changed to plastic ring, the aldehyde-based fiber or polyester yarn pressure in the ring, make fibers uniform distribution; inner ring is a snowflake plastic branches, can hang membrane, and can effectively cutting bubbles, improve the oxygen transfer rate and utilization rate. Make water biofilms fully exchange, efficient processing of the organic matter to receive.