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30" X 20 ft X 1" Hammock Fiberglass Furnace Air Filter - No. HR30240 - Whitehead Industrial Hardware
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DIY. Lennox model G12 & G12E Furnace/AC filter change. Hammack filter, B pad, filter media - YouTube
Hammock Style Filters - if you have an older model furnace you likely have a hammock style filter and you may not even know it! Watch this video to learn... | By
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