OEM Replacement Filter MediaNos. 4E436, 4E438, and 4E439 require the original manufacturer's spacers and dividers. All filters are UL Classified.Pleated Filter, Nominal Width 16 In., OEM, Nominal Depth 5 In., Nominal Height 20 In., For Use With Mfr. F100F1004, F100B1008, F150E1000, F100F2028, MERV 11, Standards Refrigerating and Air-Conditioning Engineers Standard 522-1999, 5. Only shipped in quantities of 5.