Stainless Steel Dikkan mud boxes with DIN face to face length and drain plug are installed in suction pipes board vessels to protect pumps against large solids. The standart perforation of the basket is 8 mm square. As an option basket perforation can be 3 mm, 5 mm or other special perforation. The cover is mounted with studs and hexagon nuts. Application: Especially for suction and discharge lines for sea cooling water and bilge systems.