Type II is a high-flow heavy-duty dimpled core, bonded to a single layer of non-woven filter fabric, with a 21 gallons/min./sq. ft. and a .40" thickness.
Type II is designed for medium- commercial composite drainage system. Intended for both vertical and horizontal application. Sold by the roll, 6 rolls per skid. Roll size: 4 x 50, 200 sq. ft./roll.