The invention relates to a piping instructor, in more detail, a piping administrator who directly observes the naked eye inside and separates the cover from the cover when replacing the filter or detergent is damaged or lost. This is about radar.The pipe coach and the upper level of the invention have an open cylindrical River top.On the one hand, the inflow pipe formed in the short part of Hejing.On the other side of Hejing, opposite the aforementioned inflow pipe, a flanged outflow pipe is formed in a single part.It is housed in the interior of Hejing, through the aforementioned inflow pipe, through foreign bodies and filters in the inflow fluid of the aforementioned Hejing interior.Combining with the upper part of Hejing broadcasting, let them see the cover and the inside of the above-mentioned Hejing.Equipped with a combined combination to enable the upper layer to be disassembled.
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