Manufacturer Part Number: PRO21631|Filter Type|Mini-PleatPleat Type|Mini-PleatFilter Efficiency|Media Material|SyntheticFrame Material|PlasticAir Flow|2500CFMMaximum Velocity|Particle Capture Efficiency (%)|Merv Rating|11Nominal Depth (Inch)|4Nominal Depth|4inNominal Width (Inch)|24Nominal Width|24inNominal Height|20inNominal Height (Inch)|20Media Color|Media Area|Section Width|Initial Resistance|0.13 (at 375 FPM);0.19 (at 500 FPM);0.27 (at 625 FPM) in wgNumber Of Sections|Number Of Media Plys|Integrated Frame|YesActual Depth (Inch)|3-3/4Actual Depth|3.75inMaximum Air Flow (FPM)|625Actual Width (Inch)|Actual Height (Inch)|Actual Width|23.38inInitial Resistance at FPM (Inches w.g.)|Actual Height|19.38inFor Use With|Standards|UL 900Final Resistance at FPM (Inches w.g.)|1.5Capacity|Features|EPP Indicators|Width (Inch)|Maximum Temperature (F) ( - 0 Decimals)|150Length (Feet)|Core Type|Arrestance Efficiency (%)|Thickness (Inch)|Final Resistance at FPM (Inches w. g.)|Maximum Termperature (F)|Product Service Code|UNSPSC Code|