Honritone 2 Pack 500 Micron 4 Inch Ring By 9 Inch Long, 4In Plastic Ring, 9In Short Bag Nylon Mesh 4 Inch Filter Socks Bags For Aquarium Marine Reef Sump (500 Micron 4In Nylon Filter Sock)

This filter sock is made from high quality nylon and can simply be rinsed and reused many times by turning inside out and spraying with a hose. These filter socks are very durable and will last being cleaned many times. Material: High Quality Nylon Quantity: 2 Pieces Micron rating: Available in 500 micron (0.5mm) These Filter socks provide crystal clear water! These bags have a high quality plastic ring and is totally suitable for use with aquariums. The ring contains a handle for easy removal and cleaning. This can be used on entry to a sump tank or on a gravity return to a pond.