Dymax Filter Sock 4"

Dymax Filter Sock is a mechanical filter bag, ultrasonic constructed with high durability material such as polypropylene and polyester that has high filtering efficiency, oil removal capability and high dirt loading capacity. This product is so durably constructed it can be fully washed and reused multiple times. Its wide range of micron, effectively removes fine to large debris from the water thus providing crystal clear water conditions for both fresh and salt water aquariums.