| 摘要 |
An apparatus to substantially minimize extraneous foreign material from entering an enclosure having a predetermined configuration for an outside air conditioning air compressor unit includes a frame member formed from a predetermined material and having a predetermined configuration substantially identical to the predetermined configuration for such outside air conditioning air compressor unit. At least one latch means engages with each free vertically disposed edge of such frame member for connecting them together to enclose such outside air conditioning air compressor unit. A pre-selected filter material is positioned in the frame member for substantially minimizing such extraneous foreign material from entering said enclosure for such outside air conditioning air compressor unit. A mechanism engages with each side of such filter material and with the frame member for retaining such filter material in position during use.
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