Perforated strip used in installations for treating effluent and drinking water has specified single lengths and comprises a through perforation with specific width

摘要

u Perforated strip has single lengths of 1.25 m and comprises a 6 mm through perforation that is 150 mm wide. u Independent claims are also included for: (1) Sealing strip of different diameters and sizes; and (2) Nail plug.