The Swimming Pool Filter Net Cover is specifically designed for use with pool filters. It features a special exhaust filter design that helps to improve filtration efficiency. This design allows for better water flow and ensures that your pool stays crystal clear. Features -Color:Black -Material:Silicone, stainless steel -Size:4.00X4.00X3.50cm/1.57X1.57X1.38in -It is designed to prevent debris and other contaminants from entering your pool filtration system, ensuring that your water stays clean. -The Swimming Pool Filter Net Cover is made from silicone and stainless steel materials that are durable and . -Easy to install and replace, making it a convenient and practical accessory for any pool owner. -Its simple design allows you to quickly and easily remove the old cover and replace it with a new one. -Its durable construction ensures that it can withstand the harsh conditions of outdoor use and last for years to come. Package list: 2 vent strainers