Manufactured to BS EN 14011 Square grid for square and rectangular hoppers of 110mm underground drainage systems. Allows water to pass but prevents entry of leaves and airborne debris. Made from durable polypropylene to provide high impact resistance and can be cut to allow entry of waste pipes. Part of our range of durable and impact resistant fittings for 110mm plastic PVCu underground drainage pipes the most common residential system. These lightweight easyfit parts are compatible with all systems manufactured to BS EN 1401 or BS EN 134762. The range of pipe and bend fittings are available with prechamfered plain or socketed ends which feature a ring seal for easy and secure connection to different parts of the system. These fittings can be used in conjunction with new or existing inspection chambers or soakaway crates to complete the underground drainage system. Benefits of our Underground Drainage Outstanding strength resilient to harsh treatment Incredibly light ...