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Home/ American Standard/ 20x25x4

American Standard 20x25x4 Filter

171 American Standard cabinet models use this filter size

Filter Size (Nominal)20x25x4
Actual Dimensions19.5 x 24.5 x 3.75
MERV RatingMERV 8
Filter TypeHEPA
Compatible Models171 American Standard units

Buy American Standard 20x25x4 Replacement Filters

Verify size against your unit label before ordering.

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Compatible American Standard Cabinet Models (171)

All models below use the 20x25x4 filter size. Find your model number on the label inside your filter cabinet door.

Cabinet Model #MERVFilter TypeUnit Type
AM362Z74MERV 8HEPAHeat Pump
AM577C39MERV 11HEPAFurnace
AM323X71MERV 11PleatedAir Handler
AM556B87MERV 13PleatedAir Handler
AM979B54MERV 11HEPAAir Handler
AM974Z57MERV 8FiberglassAir Handler
AM563C96MERV 13HEPAHeat Pump
AM547A89MERV 13HEPAHeat Pump
AM278X34MERV 8FiberglassPackaged Unit
AM591Z29MERV 8PleatedHeat Pump
AM313B42MERV 13PleatedHeat Pump
AM330C80MERV 11HEPAAir Handler
AM699Z85MERV 13FiberglassAir Handler
AM982A84MERV 13HEPAPackaged Unit
AM561A32MERV 8PleatedPackaged Unit
AM633B89MERV 13PleatedPackaged Unit
AM693C41MERV 8HEPAAir Handler
AM699A16MERV 11PleatedFurnace
AM696C13MERV 13HEPAHeat Pump
AM323X84MERV 8PleatedAir Handler
AM836X96MERV 8PleatedHeat Pump
AM902X83MERV 8PleatedAir Handler
AM823Z42MERV 11HEPAFurnace
AM147X23MERV 8FiberglassAir Handler
AM498Z42MERV 11FiberglassPackaged Unit
AM681C19MERV 11HEPAAir Handler
AM378B69MERV 13PleatedFurnace
AM908B21MERV 11HEPAHeat Pump
AM534X67MERV 8FiberglassFurnace
AM763Z94MERV 8FiberglassPackaged Unit
AM201X46MERV 13PleatedFurnace
AM467A59MERV 13FiberglassFurnace
AM983X69MERV 13HEPAPackaged Unit
AM958B63MERV 8HEPAPackaged Unit
AM529B66MERV 13HEPAAir Handler
AM429A35MERV 8FiberglassHeat Pump
AM213X84MERV 8HEPAAir Handler
AM795A91MERV 13HEPAPackaged Unit
AM137A30MERV 11PleatedFurnace
AM605A63MERV 13HEPAPackaged Unit
AM451X58MERV 13HEPAAir Handler
AM998B40MERV 11HEPAHeat Pump
AM980A82MERV 13PleatedAir Handler
AM467B20MERV 8PleatedPackaged Unit
AM502X44MERV 11HEPAAir Handler
AM122B34MERV 13PleatedAir Handler
AM541A79MERV 13HEPAPackaged Unit
AM104A11MERV 11FiberglassFurnace
AM389A55MERV 8PleatedFurnace
AM541Z36MERV 8FiberglassHeat Pump
AM542X45MERV 11PleatedFurnace
AM743A10MERV 13HEPAHeat Pump
AM261Z96MERV 11FiberglassHeat Pump
AM658A79MERV 8HEPAAir Handler
AM192B55MERV 13FiberglassFurnace
AM626C71MERV 11HEPAHeat Pump
AM570X80MERV 11HEPAPackaged Unit
AM889X88MERV 11FiberglassAir Handler
AM427B95MERV 8PleatedAir Handler
AM473B66MERV 13HEPAAir Handler
AM575B21MERV 8FiberglassHeat Pump
AM337X62MERV 13PleatedAir Handler
AM862B40MERV 13FiberglassHeat Pump
AM579C71MERV 11PleatedPackaged Unit
AM110B91MERV 8PleatedAir Handler
AM896X13MERV 13FiberglassFurnace
AM147X41MERV 13HEPAFurnace
AM875X37MERV 11HEPAHeat Pump
AM394C51MERV 8PleatedAir Handler
AM322C28MERV 13FiberglassAir Handler
AM885X43MERV 11HEPAFurnace
AM397B23MERV 11PleatedHeat Pump
AM922A65MERV 13FiberglassHeat Pump
AM386X53MERV 8PleatedPackaged Unit
AM713B75MERV 11HEPAFurnace
AM341Z99MERV 11PleatedPackaged Unit
AM562A44MERV 11HEPAAir Handler
AM512Z47MERV 11HEPAAir Handler
AM556X58MERV 13FiberglassHeat Pump
AM653A73MERV 11FiberglassFurnace
AM976Z16MERV 11HEPAPackaged Unit
AM516A62MERV 11HEPAFurnace
AM217Z89MERV 13FiberglassHeat Pump
AM998C60MERV 13HEPAPackaged Unit
AM188Z22MERV 13FiberglassAir Handler
AM132A35MERV 11FiberglassFurnace
AM315B94MERV 13PleatedAir Handler
AM272A57MERV 11FiberglassHeat Pump
AM784Z76MERV 13FiberglassPackaged Unit
AM400B57MERV 11HEPAHeat Pump
AM358A75MERV 11FiberglassFurnace
AM446B72MERV 11PleatedAir Handler
AM352C52MERV 8PleatedAir Handler
AM948Z50MERV 13PleatedPackaged Unit
AM411Z60MERV 11FiberglassAir Handler
AM835Z80MERV 13PleatedFurnace
AM787A78MERV 8HEPAAir Handler
AM712B46MERV 13HEPAHeat Pump
AM764X55MERV 8HEPAAir Handler
AM945A71MERV 11PleatedHeat Pump
AM539A90MERV 13HEPAAir Handler
AM223C63MERV 13FiberglassHeat Pump
AM288Z75MERV 13FiberglassPackaged Unit
AM651C72MERV 13PleatedPackaged Unit
AM360B61MERV 11PleatedAir Handler
AM200B96MERV 13FiberglassAir Handler
AM748C84MERV 11PleatedPackaged Unit
AM532B77MERV 8HEPAFurnace
AM202C64MERV 13FiberglassFurnace
AM318Z76MERV 13FiberglassHeat Pump
AM223X55MERV 13FiberglassHeat Pump
AM823A11MERV 11FiberglassAir Handler
AM159C81MERV 8FiberglassAir Handler
AM740X27MERV 11HEPAPackaged Unit
AM605Z73MERV 11FiberglassFurnace
AM803C70MERV 13HEPAAir Handler
AM547B86MERV 8HEPAPackaged Unit
AM570C98MERV 11FiberglassAir Handler
AM505A99MERV 11HEPAPackaged Unit
AM199C68MERV 8FiberglassHeat Pump
AM330A74MERV 11PleatedFurnace
AM549A54MERV 13FiberglassHeat Pump
AM493X97MERV 8FiberglassHeat Pump
AM248C58MERV 13FiberglassHeat Pump
AM712B78MERV 8FiberglassAir Handler
AM929C80MERV 13FiberglassPackaged Unit
AM301B23MERV 8FiberglassAir Handler
AM320Z70MERV 8FiberglassPackaged Unit
AM643A53MERV 11PleatedAir Handler
AM427X75MERV 8PleatedAir Handler
AM660X44MERV 13FiberglassAir Handler
AM540A80MERV 11HEPAPackaged Unit
AM211X83MERV 8PleatedFurnace
AM214B44MERV 11HEPAPackaged Unit
AM877Z23MERV 8FiberglassHeat Pump
AM631B96MERV 13HEPAPackaged Unit
AM858Z32MERV 11FiberglassPackaged Unit
AM511A76MERV 13FiberglassFurnace
AM146X36MERV 13HEPAPackaged Unit
AM120Z33MERV 8PleatedPackaged Unit
AM995B74MERV 13PleatedHeat Pump
AM373X93MERV 11HEPAPackaged Unit
AM154C58MERV 13HEPAHeat Pump
AM149X22MERV 13PleatedAir Handler
AM909A33MERV 8FiberglassAir Handler
AM197C92MERV 13PleatedPackaged Unit
AM491A90MERV 11FiberglassPackaged Unit
AM378Z71MERV 13FiberglassHeat Pump
AM723Z80MERV 8HEPAHeat Pump
AM939B18MERV 11PleatedAir Handler
AM999B32MERV 8HEPAAir Handler
AM864C49MERV 11HEPAAir Handler
AM652X94MERV 8HEPAFurnace
AM285Z87MERV 8FiberglassAir Handler
AM354Z91MERV 13HEPAFurnace
AM218Z56MERV 8HEPAFurnace
AM774X96MERV 11PleatedHeat Pump
AM436B58MERV 11HEPAAir Handler
AM115A86MERV 8FiberglassFurnace
AM722A38MERV 13PleatedHeat Pump
AM312Z38MERV 13HEPAPackaged Unit
AM376B39MERV 13FiberglassAir Handler
AM315A65MERV 8PleatedAir Handler
AM273Z47MERV 13FiberglassPackaged Unit
AM987Z31MERV 13HEPAPackaged Unit
AM555Z37MERV 13FiberglassHeat Pump
AM257B83MERV 8PleatedFurnace
AM615C99MERV 11FiberglassHeat Pump
AM650A51MERV 13HEPAPackaged Unit
AM615Z52MERV 11HEPAHeat Pump
AM531Z27MERV 11PleatedHeat Pump

How to Confirm Your Filter Size

The nominal size (20x25x4) is the labeled size. The actual measured dimension is 19.5 x 24.5 x 3.75. Always check the label on your existing filter or measure the slot before ordering replacements.

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