| 摘要 |
A drain fitting has a unitary body with a lower section and an upper section upstanding from the lower section. The lower section encompasses a space and is open to the drain line to be cleaned. The upper section has a side wall and an inner wall which forms a channel. The inner wall encompasses a through passage which is open to the space encompassed within the lower section. A line of a given diameter can thus be received and maintained around the side walls. Another line of different diameter can be received and maintained within the channel and lines of other different diameters can be maintained within the through passage.
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