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OEM Replacement Filter MediaNos. 4E436, 4E438, and 4E439 require the original manufacturer's spacers and dividers. All filters are UL Classified.Pop-Up Filter Media, Nominal Width 27-1/8 In., OEM, Nominal Depth 5-7/8 In., Nominal Height 16 In., For Use With Mfr. Space-Gard 2400, 2140, Lennox PMAC12, MERV 11, Standards Refrigerating and Air-Conditioning Engineers Standard 522-1999, 12
OEM Replacement Filter MediaNos. 4E436, 4E438, and 4E439 require the original manufacturer's spacers and dividers. All filters are UL Classified.Pop-Up Filter Media, Nominal Width 27-1/8 In., OEM, Nominal Depth 5-7/8 In., Nominal Height 16 In., For Use With Mfr. Space-Gard 2400, 2140, Lennox PMAC12, MERV 11, Standards Refrigerating and Air-Conditioning Engineers Standard 522-1999, 12
