Introducing the DE Filter Backwash Sock, the latest innovative product from Shanghai Vithy Filter System Co., Ltd. As a leading manufacturer, supplier, and factory in China, we are dedicated to providing high-quality filtration solutions for residential and commercial use. Our DE Filter Backwash Sock is designed to effectively capture and contain diatomaceous earth (DE) during the backwashing process, preventing it from entering the sewer system and causing clogs. Made from durable and high-quality materials, our backwash sock is easy to install and maintain, ensuring a hassle-free filtration system. It is compatible with a wide range of DE filter systems, making it a versatile and practical solution for pool and spa owners. With our commitment to excellence and customer satisfaction, you can trust that our DE Filter Backwash Sock will meet your filtration needs and exceed your expectations. Choose Shanghai Vithy Filter System Co., Ltd. for reliable and efficient filtration solutions.