(12PCS) Oil Absorbing Sponge Swimming Pool Hot Tub Spa Dirt Scum Easy Cleaner AbsorberThe product is shipped based on the color or size of the main image of the product page.QTY:12PCSFeatures: and This sponge can extend the life of the filter by collecting all scales, scales, grids and oils from the water. And it allows the filter to work more efficiently. It is recommended to have two oil absorbent sponges floating around the water for best results. All you need to do is put the duck oil absorbent sponge in the water and let it do its work. It can absorb its weight multiple times in oil, mud, grim and other types of scales. By absorbing all the trash, no trash lines are formed on the tiles or walls of the pool, spa, jacuzzi, etc. Specifications: Type: oil absorbent sponge Material: sponge Package Included: 6/12/18Pcs Swimming pool filter sponge (your choice) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.