Manufacturer Part Number: PRO11371|Filter Type|Ring PanelPleat Type|Filter Efficiency|Media Material|SyntheticFrame Material|WireAir Flow|1111CFMMaximum Velocity|Particle Capture Efficiency (%)|Merv Rating|8Nominal Depth (Inch)|1Nominal Depth|1inNominal Width (Inch)|20Nominal Width|20inNominal Height|20inNominal Height (Inch)|20Media Color|Media Area|Section Width|Initial Resistance|0.06 (at 74 FPM);0.10 (at 148 FPM);0.15 (at 221 FPM);0.21 (at 295 FPM);0.27 ( at 369 FPM) in wgNumber Of Sections|Number Of Media Plys|Integrated Frame|YesActual Depth (Inch)|19-1/2Actual Depth|19.5inMaximum Air Flow (FPM)|500Actual Width (Inch)|Actual Height (Inch)|Actual Width|20.0inInitial Resistance at FPM (Inches w.g.)|Actual Height|20.0inFor Use With|Standards|UL 900Final Resistance at FPM (Inches w.g.)|1.5Capacity|Features|EPP Indicators|Width (Inch)|Maximum Temperature (F) ( - 0 Decimals)|120Length (Feet)|Core Type|Arrestance Efficiency (%)|Thickness (Inch)|Final Resistance at FPM (Inches w. g.)|Maximum Termperature (F)|Product Service Code|UNSPSC Code|