FILTER SOCKS

4" Plastic ring with an 11" 100 Micron filter sock. Excellent for polishing aquarium water. 100 Micron socks remove 99.4% of all water born particles. They leave your water crystal clear. Best purchased in pairs so you can use one and clean one.

To clean, machine wash HOT (no detergent) add two cups of bleach. Rinse twice and let dry.