Manufacturer Part Number: PRO17920201|Filter Type|Aluminum MeshPleat Type|Filter Efficiency|Media Material|Corrugated AluminumFrame Material|AluminumAir Flow|Maximum Velocity|Particle Capture Efficiency (%)|Merv Rating|Nominal Depth (Inch)|1Nominal Depth|1inNominal Width (Inch)|20Nominal Width|20inNominal Height|20inNominal Height (Inch)|20Media Color|Media Area|Section Width|Initial Resistance|0.05 (at 300 FPM) in wgNumber Of Sections|Number Of Media Plys|Integrated Frame|YesActual Depth (Inch)|7/8Actual Depth|0.875inMaximum Air Flow (FPM)|500Actual Width (Inch)|19-1/2Actual Height (Inch)|19-1/2Actual Width|19.5inInitial Resistance at FPM (Inches w.g.)|Actual Height|19.5inFor Use With|Standards|UL 900Final Resistance at FPM (Inches w.g.)|Capacity|Features|EPP Indicators|Width (Inch)|Maximum Temperature (F) ( - 0 Decimals)|275Length (Feet)|Core Type|Arrestance Efficiency (%)|Thickness (Inch)|Final Resistance at FPM (Inches w. g.)|Maximum Termperature (F)|Product Service Code|UNSPSC Code|