The new Quad Pack RS701/RS400 Combo Wrap is a unique configuration that places MacNeil’s RS-400 Low Side Washer beneath the powerful Long-Arm RS-701 Superflex Wrap-Around brush. Easily installed into new or existing sites, this Quad Pack doubles the cleaning power into a smaller, more compact area saving operators valuable tunnel space. It is available with the 22”, 30” or 45” RS-401 brush models to suit every tunnel.