Clean Room Filters HEPA Dctd Trmnl Module,47-1/2x10x23-1/2 HEPA Ducted Terminal Module, DOP Efficiency 0.9999, Nominal Width 47-1/2 In., Nominal Depth 10 In., Nominal Height 23-1/2 In., Air Flow 100 fpmInitial Resistance 0.56 In. WCMax. Temp. 140 Degrees F