| 摘要 |
PURPOSE:To simplify capture and sweeping of foreign materials and prevent the blockage of a suction port by fitting a filter block to the opening of the suction port main body in a freely attachable and detachable manner and providing the suction port at the drum part of the filter block. CONSTITUTION:The filter block 5 is fitted in the suction port main body 3 mounted on the wall part 2 of a bathtub 1 in a freely attachable and detachable manner. This filter block 5 comprises a cylindrical body 19 and a suction port cover 20 disposed in a freely attachable and detachable manner. A filter 4 is internally provided in the cylindrical body 19 in a freely attachable and detachable manner, and a suction port 6 is provided around the outer periphery of the cylindrical body 19. To a middle diameter portion 15 of the suction port main body 3 is fastened by screws a tertiary filter 17 by screwing means 18. By this arrangement, hot water within the bathtub 1 is first removed mainly by the filter 4 and also slightly removed at the suction port 6 part, further being removed at the tertiary filter 17 part. |
