| 摘要 |
A sediment filter is provided to perform two kinds of function with a filter material removing small foreign materials by offering the filter material removing big foreign materials. A sediment filter(120) includes a housing(122), a housing cover(126), an O-ring(127), a first filter material(128) and a second filter material(121). The housing is formed with a cylindrical type. And an outlet(125) flowing out filtered raw water is formed in the housing. An inlet(124) flowing in the raw water is formed in the housing cover. The O-ring is settled between the housing and the housing cover. The fist filter material is arranged with predetermined intervals. The second filter material is arranged as a truncated cone shape between an upper end and the housing cover of the first filter material.
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