| 摘要 |
A coupling is provided having filters in the coupler and/or the nipple members. The coupler filter resides in the inlet to the coupler and the nipple filter resides in the inlet to the nipple member. The coupler and the nipple filters are easily replace due to their locations and the means employment to secure them in place. The coupler and the nipple filters are strength stainless steel filters having pores in the range of to 250 microns.
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