FRAMED AIR FILTERS, FRAMES FOR AIR FILTERS, AND KITS FOR FRAMED AIR FILTERS
Rectangular perimeter frames for air filters, framed air filters, and kits for making perimeter frames and framed air filters. Such a frame may include first and second opposing primary frame portions that respectively comprise first and second upstream-open-ended elongate slots that are configured...
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Format: | Patent |
Sprache: | eng ; fre |
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