EZ-Drain Gravel Free French Drains - evacuates up to five times more water than standard gravel and pipe french drains. (10' long with a slotted pipe surrounded by polystyrene aggregate and enclosed in geotextile mesh.) Also at Home Depot - 8 in. x 10 ft. Prefabricated French Drain with Pipe (Model# EZ-0802F Store SKU# 227495)
The hexagon cells that make up each COREgravel panel form a rigid honeycomb design that holds gravel in place and supports load distribution. The underside is a geotextile allowing water to drain easily and prevents weed growth. Interlocking system edges support assembly.