Drain Pipe Sock 4″X100′ – Muller Construction Supply
New Pig Sediment Filter Sock - for Erosion Control and Storm Drain Protection - Dia. 5" x 10' L - Black - PMB30031: Amazon.com: Tools & Home Improvement
Meet the drain sock — a simple pollution solution taking the world by storm - YouTube
Land Drain Filter Sleeve Sock up to 110mm x 25 Metre - Goodwins
Sock Pipe for French Drains St. Louis? - Drainage Team