The Vevor filter sock is designed to capture sediment, debris, and solid particles from rainwater runoff while allowing water to continue flowing through. Made with nonwoven fabric and polypropylene filling, it helps protect storm drains, drainage outlets, construction sites, and farm borders from clogging and erosion. Its flexible construction adapts to curves, slopes, and uneven ground for effective coverage. This 4-piece set provides 10' of coverage per sock for larger sediment control applications.