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Home/ American Standard/ 20x20x4

American Standard 20x20x4 Filter

195 American Standard cabinet models use this filter size

Filter Size (Nominal)20x20x4
Actual Dimensions19.5 x 19.5 x 3.75
MERV RatingMERV 8
Filter TypeHEPA
Compatible Models195 American Standard units

Buy American Standard 20x20x4 Replacement Filters

Verify size against your unit label before ordering.

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Compatible American Standard Cabinet Models (195)

All models below use the 20x20x4 filter size. Find your model number on the label inside your filter cabinet door.

Cabinet Model #MERVFilter TypeUnit Type
AM460B99MERV 8HEPAFurnace
AM367B72MERV 11FiberglassFurnace
AM135C82MERV 11FiberglassHeat Pump
AM553Z22MERV 8PleatedHeat Pump
AM943B63MERV 8HEPAPackaged Unit
AM631Z63MERV 13PleatedFurnace
AM927Z46MERV 8FiberglassAir Handler
AM577A69MERV 8FiberglassPackaged Unit
AM854C48MERV 11FiberglassAir Handler
AM810Z17MERV 13HEPAPackaged Unit
AM897Z17MERV 8PleatedAir Handler
AM498A68MERV 11HEPAAir Handler
AM820Z97MERV 8HEPAPackaged Unit
AM555B10MERV 13FiberglassHeat Pump
AM996A38MERV 13HEPAFurnace
AM545X68MERV 13HEPAHeat Pump
AM922B35MERV 11FiberglassAir Handler
AM589X36MERV 11HEPAHeat Pump
AM205A51MERV 13PleatedFurnace
AM947X89MERV 8PleatedAir Handler
AM239X89MERV 13PleatedFurnace
AM173Z22MERV 13PleatedAir Handler
AM512A29MERV 8HEPAPackaged Unit
AM996X15MERV 8FiberglassFurnace
AM775B10MERV 8HEPAHeat Pump
AM341C46MERV 8FiberglassAir Handler
AM268X14MERV 8FiberglassFurnace
AM514X43MERV 13PleatedFurnace
AM529B61MERV 13HEPAAir Handler
AM389A32MERV 11HEPAHeat Pump
AM416A23MERV 11FiberglassAir Handler
AM837Z51MERV 13PleatedAir Handler
AM445X33MERV 13FiberglassPackaged Unit
AM141X65MERV 8FiberglassFurnace
AM604A72MERV 13HEPAAir Handler
AM112X18MERV 11FiberglassPackaged Unit
AM314A68MERV 8FiberglassFurnace
AM146C62MERV 11PleatedAir Handler
AM200C98MERV 13PleatedHeat Pump
AM392B39MERV 13FiberglassFurnace
AM784B64MERV 11FiberglassHeat Pump
AM207X82MERV 11HEPAFurnace
AM799C14MERV 11HEPAPackaged Unit
AM998X71MERV 11FiberglassHeat Pump
AM167B34MERV 11FiberglassFurnace
AM120C30MERV 8FiberglassHeat Pump
AM190X39MERV 8HEPAHeat Pump
AM457Z71MERV 8HEPAFurnace
AM632B71MERV 13FiberglassPackaged Unit
AM429C84MERV 11FiberglassHeat Pump
AM664A89MERV 8PleatedHeat Pump
AM703B27MERV 11FiberglassFurnace
AM107X53MERV 13PleatedAir Handler
AM352X44MERV 13PleatedFurnace
AM948A53MERV 13HEPAHeat Pump
AM725A84MERV 11FiberglassHeat Pump
AM793Z47MERV 8FiberglassPackaged Unit
AM739B19MERV 11FiberglassFurnace
AM789B15MERV 8HEPAFurnace
AM197A16MERV 8PleatedPackaged Unit
AM291Z52MERV 11PleatedFurnace
AM106A64MERV 11HEPAAir Handler
AM193C54MERV 11HEPAFurnace
AM450Z71MERV 8PleatedFurnace
AM596B45MERV 8HEPAPackaged Unit
AM404B34MERV 11PleatedHeat Pump
AM900Z24MERV 13FiberglassPackaged Unit
AM410B29MERV 11HEPAPackaged Unit
AM532Z33MERV 11HEPAPackaged Unit
AM993Z70MERV 8PleatedFurnace
AM372A91MERV 13FiberglassFurnace
AM266B40MERV 13FiberglassPackaged Unit
AM598A83MERV 8PleatedPackaged Unit
AM566Z95MERV 13FiberglassFurnace
AM701C78MERV 11FiberglassFurnace
AM256A55MERV 11FiberglassAir Handler
AM731Z65MERV 11PleatedAir Handler
AM375B28MERV 11HEPAAir Handler
AM966C37MERV 13PleatedPackaged Unit
AM197Z80MERV 13FiberglassAir Handler
AM447Z69MERV 11FiberglassPackaged Unit
AM926B41MERV 13FiberglassPackaged Unit
AM667X65MERV 8PleatedAir Handler
AM204Z99MERV 11PleatedPackaged Unit
AM955C40MERV 13PleatedPackaged Unit
AM846A64MERV 11HEPAHeat Pump
AM254B10MERV 8PleatedAir Handler
AM518A99MERV 11PleatedAir Handler
AM780Z79MERV 13PleatedAir Handler
AM366C44MERV 8PleatedFurnace
AM850B56MERV 11FiberglassHeat Pump
AM333X19MERV 13FiberglassAir Handler
AM108B44MERV 8PleatedFurnace
AM100B72MERV 11HEPAAir Handler
AM383B48MERV 8FiberglassFurnace
AM778B80MERV 13HEPAPackaged Unit
AM560B78MERV 13HEPAHeat Pump
AM467B57MERV 11HEPAPackaged Unit
AM785C66MERV 13FiberglassPackaged Unit
AM653Z97MERV 8HEPAHeat Pump
AM993C15MERV 13HEPAHeat Pump
AM619A97MERV 11FiberglassPackaged Unit
AM540A35MERV 8PleatedPackaged Unit
AM829C59MERV 13HEPAAir Handler
AM808Z94MERV 13PleatedPackaged Unit
AM322C77MERV 11FiberglassAir Handler
AM615B45MERV 8HEPAPackaged Unit
AM426C97MERV 13HEPAAir Handler
AM749B87MERV 8PleatedAir Handler
AM192X42MERV 11PleatedHeat Pump
AM915X61MERV 8HEPAPackaged Unit
AM731A23MERV 8HEPAPackaged Unit
AM205C79MERV 13HEPAHeat Pump
AM298C85MERV 11FiberglassAir Handler
AM416B76MERV 13PleatedFurnace
AM479C79MERV 11HEPAFurnace
AM655C11MERV 8FiberglassFurnace
AM181A50MERV 11FiberglassPackaged Unit
AM629B73MERV 11PleatedPackaged Unit
AM928A44MERV 13FiberglassHeat Pump
AM352C52MERV 13FiberglassFurnace
AM613A44MERV 11HEPAAir Handler
AM967C80MERV 11HEPAHeat Pump
AM489B87MERV 8HEPAAir Handler
AM967C96MERV 8FiberglassPackaged Unit
AM179B66MERV 8HEPAPackaged Unit
AM145C84MERV 11HEPAHeat Pump
AM907B70MERV 13FiberglassAir Handler
AM274B90MERV 13FiberglassAir Handler
AM401C43MERV 13HEPAFurnace
AM309Z24MERV 13HEPAFurnace
AM353C47MERV 8HEPAHeat Pump
AM819C59MERV 13FiberglassPackaged Unit
AM333Z19MERV 8FiberglassFurnace
AM709A95MERV 13PleatedHeat Pump
AM318Z64MERV 13PleatedPackaged Unit
AM705Z89MERV 8HEPAAir Handler
AM170B67MERV 13HEPAPackaged Unit
AM291A18MERV 8HEPAHeat Pump
AM296Z76MERV 11HEPAAir Handler
AM654Z20MERV 13HEPAHeat Pump
AM845X47MERV 8PleatedFurnace
AM141C65MERV 13HEPAPackaged Unit
AM776X73MERV 8FiberglassPackaged Unit
AM175A40MERV 8FiberglassAir Handler
AM513C34MERV 13PleatedPackaged Unit
AM423B11MERV 13HEPAAir Handler
AM359Z46MERV 8FiberglassHeat Pump
AM982A54MERV 8FiberglassFurnace
AM767X51MERV 8HEPAFurnace
AM859A36MERV 13PleatedAir Handler
AM276A90MERV 13PleatedPackaged Unit
AM491A96MERV 8FiberglassPackaged Unit
AM151Z24MERV 13HEPAHeat Pump
AM616X80MERV 11PleatedFurnace
AM976A42MERV 8HEPAHeat Pump
AM580Z48MERV 8HEPAAir Handler
AM576Z36MERV 11HEPAFurnace
AM548B26MERV 13FiberglassPackaged Unit
AM309A93MERV 13FiberglassPackaged Unit
AM609B72MERV 13HEPAHeat Pump
AM265C20MERV 8FiberglassHeat Pump
AM224X49MERV 13FiberglassHeat Pump
AM689Z32MERV 13HEPAAir Handler
AM493C47MERV 8HEPAFurnace
AM913A85MERV 13FiberglassPackaged Unit
AM641A98MERV 11FiberglassAir Handler
AM932Z75MERV 8HEPAAir Handler
AM777Z77MERV 13PleatedFurnace
AM388C55MERV 11PleatedFurnace
AM174B49MERV 8FiberglassAir Handler
AM917B55MERV 11HEPAPackaged Unit
AM648X91MERV 11HEPAFurnace
AM724B86MERV 13FiberglassPackaged Unit
AM973A12MERV 13PleatedAir Handler
AM210A45MERV 13HEPAFurnace
AM410A56MERV 8PleatedFurnace
AM211C33MERV 13PleatedPackaged Unit
AM598Z92MERV 8PleatedFurnace
AM520X11MERV 11PleatedPackaged Unit
AM262C75MERV 13PleatedPackaged Unit
AM370Z69MERV 11FiberglassHeat Pump
AM830Z14MERV 11HEPAHeat Pump
AM418B80MERV 8PleatedHeat Pump
AM408Z56MERV 13PleatedFurnace
AM351X60MERV 11PleatedAir Handler
AM866B58MERV 8HEPAAir Handler
AM241C60MERV 11HEPAAir Handler
AM312C50MERV 13PleatedAir Handler
AM548Z33MERV 13FiberglassAir Handler
AM124X53MERV 11HEPAAir Handler
AM562Z42MERV 11PleatedHeat Pump
AM352B21MERV 13PleatedFurnace
AM225X39MERV 11PleatedHeat Pump
AM167X88MERV 11HEPAHeat Pump

How to Confirm Your Filter Size

The nominal size (20x20x4) is the labeled size. The actual measured dimension is 19.5 x 19.5 x 3.75. Always check the label on your existing filter or measure the slot before ordering replacements.

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