Avoid clogging - The skimmer socks grid is very small, which can prevent the waste from entering the swimming pool filter system, creating a protective barrier, avoids damage and prevents blockages. Skimmer nets effectively extend the life of the filter system, save time in swimming pool cleaning, avoid lots of cleaning work, make swimming pool cleaning easier and save time and money. Free your hands from manual cleaning: with our swimming , you only need to replace the used socks regularly. No More Messy Works! Install in seconds, the over the basket and it is ready for collecting dirt from the water. Suitable for use on above-ground and underground swimming pools Reusable: washable and reusable filter socks for skimmers (3 washing methods: water washable, hand wash, machine wash). Because the chlorine tablets corrode the nylon fabric net for skimmers and lead to breaking the skimmer net for the pool. Therefore, do not use the filter when dissolving the skimmer socks, as this effectively extends the service life. Wide compatibility: the skimmer filter stockings are suitable for almost all types of pool filters, baskets or skimmers . Install in seconds, the sock over the basket and it is ready for the detection of dirt from the water Perfect for protecting the filter system: our pool skimmer filter can protect the pump impeller and shaft seal from damage or clogging and extend the life of the pool filter system. You 't have to worry about these impurities destroying your filter system Colour:White Material:cloth Size:20.5 x 13cm Package Contents: 24 x pool skimmer net 1 x 80 pH test strips Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.