| 摘要 |
Apparatus for mounting different size filters in various combinations within an air duct that includes a frame for mounting channel shaped upper and lower support members in said duct so that the members open toward each other and extend across the width of the duct. Longitudinally disposed, spaced apart, removable dividers are slidably retained in the support members so that racks are established for retaining filters of varying widths between the support members. In one form of the invention intermediate support members are mounted between the upper and lower support members so that filters can be mounted in tiers within the apparatus.
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