4 Inch Diameter Plastic Ring 9 Inch Short Long Bag

Filter socks are made of high qulity NYLON, Excellent for mechanical filtration.

Micron rating: Available in 500 micron (0.5mm),500 micron mesh filter bags designed to trap only larger particles.

Solid construction and heavy duty stitching make these socks strong and durable so these mesh socks can be cleaned and resued many times.

"This nylon filter sock mesh 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. "