REDUCES POOL MAINTENANCE TIME: Pool socks catch small things that would normally go through the skimmer and into your pool filter. filter for washing filters under pressure. Mesh filter socks: fine dirt particles settle on the bottom of the pool and are impossible to suck up because they are too fine and only pass through again. These filter socks are an invaluable time saver and collect all that silt and fine dirt! TRAPS ALL HAIR AND DEBRIS: Dog friends regularly come to jump and swim.With these socks, 90% of hair is caught and thrown away quickly.It not only removed virtually all hair, but also all other small surface debris such as tree bushes and insects that don't get caught when using the portable pole net. Ideal pool accessories: The pool filter sock is a highly effective pre-filter that frustrates algae that continually passes through the filter and settles in the pool.It can also be used instead of the debris net of your pool vacuum to catch the smallest particles. Durable and reusable: clean the pool skimmer sock of leaves and dirt, wash it and reuse it until it wears out.That way the pack lasts a long time.These skimmer socks do an amazing job of keeping the pool clean by catching the little things that pass through the basket.