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Home/ Rheem/ 20x20x1

Rheem 20x20x1 Filter

237 Rheem cabinet models use this filter size

Filter Size (Nominal)20x20x1
Actual Dimensions19.5 x 19.5 x 0.75
MERV RatingMERV 8
Filter TypePleated
Compatible Models237 Rheem units

Buy Rheem 20x20x1 Replacement Filters

Verify size against your unit label before ordering.

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Compatible Rheem Cabinet Models (237)

All models below use the 20x20x1 filter size. Find your model number on the label inside your filter cabinet door.

Cabinet Model #MERVFilter TypeUnit Type
RH881B11MERV 8PleatedPackaged Unit
RH442B26MERV 13HEPAHeat Pump
RH923B82MERV 11FiberglassAir Handler
RH865Z99MERV 13HEPAFurnace
RH702Z76MERV 11PleatedAir Handler
RH699A94MERV 11FiberglassAir Handler
RH873A70MERV 11HEPAHeat Pump
RH679C85MERV 8HEPAPackaged Unit
RH127B68MERV 13HEPAHeat Pump
RH102X20MERV 13FiberglassHeat Pump
RH411B98MERV 13HEPAFurnace
RH458B82MERV 11HEPAAir Handler
RH749X18MERV 11FiberglassHeat Pump
RH138B14MERV 8HEPAHeat Pump
RH699A58MERV 8HEPAPackaged Unit
RH561Z39MERV 11PleatedFurnace
RH500C90MERV 11HEPAFurnace
RH643A52MERV 8FiberglassHeat Pump
RH293B22MERV 13HEPAHeat Pump
RH242X28MERV 13FiberglassFurnace
RH756Z19MERV 8PleatedPackaged Unit
RH391X11MERV 11FiberglassHeat Pump
RH174B90MERV 8PleatedAir Handler
RH699C25MERV 8HEPAFurnace
RH579X45MERV 11HEPAHeat Pump
RH122B47MERV 8PleatedFurnace
RH803B57MERV 8FiberglassAir Handler
RH236C32MERV 11HEPAPackaged Unit
RH460Z50MERV 13PleatedPackaged Unit
RH158B88MERV 8PleatedAir Handler
RH246A42MERV 8HEPAPackaged Unit
RH727B46MERV 13FiberglassFurnace
RH469X64MERV 8FiberglassFurnace
RH515X23MERV 11HEPAHeat Pump
RH842B82MERV 8HEPAPackaged Unit
RH718X98MERV 13PleatedAir Handler
RH430C13MERV 8HEPAPackaged Unit
RH461B58MERV 13PleatedFurnace
RH602B99MERV 8FiberglassPackaged Unit
RH243B32MERV 13FiberglassPackaged Unit
RH847C94MERV 11PleatedPackaged Unit
RH358A32MERV 13FiberglassPackaged Unit
RH191B36MERV 8HEPAHeat Pump
RH910X13MERV 13PleatedPackaged Unit
RH882C29MERV 11PleatedAir Handler
RH967X49MERV 13FiberglassPackaged Unit
RH937A40MERV 11PleatedAir Handler
RH847A52MERV 8HEPAHeat Pump
RH479A22MERV 13PleatedPackaged Unit
RH664Z20MERV 11PleatedFurnace
RH413X29MERV 11HEPAFurnace
RH348B76MERV 8PleatedHeat Pump
RH798B42MERV 8HEPAPackaged Unit
RH712Z87MERV 8PleatedAir Handler
RH788C48MERV 13FiberglassAir Handler
RH490A98MERV 11HEPAAir Handler
RH855Z52MERV 13HEPAPackaged Unit
RH406Z81MERV 11PleatedAir Handler
RH413B37MERV 13FiberglassPackaged Unit
RH624Z52MERV 11HEPAHeat Pump
RH648Z29MERV 13FiberglassPackaged Unit
RH445A38MERV 8FiberglassHeat Pump
RH513B57MERV 8FiberglassFurnace
RH121B35MERV 13PleatedAir Handler
RH323B13MERV 13HEPAAir Handler
RH517A58MERV 11HEPAPackaged Unit
RH280B47MERV 11FiberglassAir Handler
RH346C90MERV 8HEPAFurnace
RH597C11MERV 13PleatedHeat Pump
RH127A44MERV 11PleatedHeat Pump
RH933A49MERV 11PleatedFurnace
RH751B17MERV 13FiberglassAir Handler
RH209X18MERV 8PleatedFurnace
RH269C12MERV 13FiberglassAir Handler
RH494C10MERV 11PleatedAir Handler
RH294A14MERV 13HEPAAir Handler
RH166B52MERV 13HEPAHeat Pump
RH455Z42MERV 13HEPAHeat Pump
RH829C43MERV 11PleatedAir Handler
RH367C41MERV 11HEPAFurnace
RH717C20MERV 8PleatedAir Handler
RH143X24MERV 11HEPAPackaged Unit
RH265A16MERV 11PleatedAir Handler
RH317C52MERV 13HEPAHeat Pump
RH215C48MERV 11HEPAFurnace
RH234B88MERV 8HEPAHeat Pump
RH816B80MERV 11FiberglassHeat Pump
RH818X18MERV 8FiberglassFurnace
RH921X97MERV 13FiberglassFurnace
RH773X19MERV 13FiberglassHeat Pump
RH320C59MERV 8PleatedPackaged Unit
RH549C91MERV 8PleatedPackaged Unit
RH751C30MERV 8HEPAFurnace
RH844X19MERV 8PleatedPackaged Unit
RH201C52MERV 11FiberglassHeat Pump
RH708Z26MERV 13FiberglassFurnace
RH113C64MERV 11PleatedHeat Pump
RH296C16MERV 13FiberglassAir Handler
RH565B58MERV 13FiberglassPackaged Unit
RH674X63MERV 8FiberglassAir Handler
RH734Z20MERV 11FiberglassHeat Pump
RH920A90MERV 13FiberglassPackaged Unit
RH507A42MERV 13PleatedAir Handler
RH155Z34MERV 11HEPAPackaged Unit
RH149B99MERV 11PleatedFurnace
RH884Z59MERV 11FiberglassFurnace
RH891B16MERV 8HEPAHeat Pump
RH707B45MERV 13FiberglassAir Handler
RH844A45MERV 13HEPAPackaged Unit
RH994A19MERV 13FiberglassHeat Pump
RH223B44MERV 11PleatedAir Handler
RH160X32MERV 11PleatedHeat Pump
RH482C56MERV 11FiberglassPackaged Unit
RH337B56MERV 8PleatedAir Handler
RH719X98MERV 8PleatedPackaged Unit
RH949A98MERV 11PleatedAir Handler
RH146A30MERV 8PleatedAir Handler
RH428Z94MERV 13HEPAHeat Pump
RH755Z92MERV 11FiberglassHeat Pump
RH639X51MERV 13FiberglassAir Handler
RH193A61MERV 13HEPAPackaged Unit
RH517A63MERV 11PleatedHeat Pump
RH926X85MERV 13HEPAHeat Pump
RH562C50MERV 13HEPAPackaged Unit
RH930C89MERV 8PleatedFurnace
RH655X14MERV 8HEPAPackaged Unit
RH978B65MERV 13HEPAHeat Pump
RH857A79MERV 8HEPAFurnace
RH822A46MERV 8HEPAPackaged Unit
RH888A88MERV 8HEPAHeat Pump
RH453A28MERV 8PleatedAir Handler
RH453Z36MERV 8HEPAAir Handler
RH300B31MERV 8FiberglassAir Handler
RH738B11MERV 11HEPAHeat Pump
RH648B86MERV 8HEPAFurnace
RH280X85MERV 8FiberglassHeat Pump
RH826C53MERV 11HEPAPackaged Unit
RH366X65MERV 13FiberglassPackaged Unit
RH286A99MERV 13FiberglassAir Handler
RH205B94MERV 8FiberglassPackaged Unit
RH589Z50MERV 11FiberglassPackaged Unit
RH301C54MERV 11PleatedAir Handler
RH467C31MERV 13PleatedAir Handler
RH648B21MERV 13HEPAFurnace
RH162A99MERV 13PleatedFurnace
RH749A27MERV 8FiberglassHeat Pump
RH441Z81MERV 8FiberglassHeat Pump
RH784X66MERV 8FiberglassHeat Pump
RH860B56MERV 11FiberglassFurnace
RH273Z17MERV 13PleatedAir Handler
RH907Z12MERV 13PleatedFurnace
RH421X42MERV 11PleatedFurnace
RH622X37MERV 8PleatedAir Handler
RH959Z12MERV 8FiberglassAir Handler
RH880X33MERV 13PleatedAir Handler
RH306B28MERV 11FiberglassAir Handler
RH984Z19MERV 13HEPAHeat Pump
RH642Z31MERV 8PleatedPackaged Unit
RH445X41MERV 13HEPAHeat Pump
RH870C57MERV 11HEPAHeat Pump
RH200X75MERV 8PleatedAir Handler
RH279B63MERV 13FiberglassAir Handler
RH205C64MERV 11FiberglassHeat Pump
RH498X96MERV 11HEPAFurnace
RH969B18MERV 8PleatedAir Handler
RH321B68MERV 11PleatedFurnace
RH160A62MERV 8HEPAAir Handler
RH648A65MERV 13HEPAPackaged Unit
RH388B17MERV 8HEPAAir Handler
RH757Z67MERV 11HEPAFurnace
RH861C41MERV 13PleatedPackaged Unit
RH355B18MERV 13FiberglassPackaged Unit
RH647X40MERV 8HEPAFurnace
RH548C99MERV 13HEPAPackaged Unit
RH802B53MERV 11HEPAPackaged Unit
RH244B78MERV 13PleatedAir Handler
RH776C13MERV 11PleatedFurnace
RH203A66MERV 13PleatedPackaged Unit
RH978B20MERV 11HEPAPackaged Unit
RH315A31MERV 13PleatedAir Handler
RH323C93MERV 11PleatedAir Handler
RH632X39MERV 8HEPAAir Handler
RH551X14MERV 11PleatedFurnace
RH789A99MERV 8HEPAPackaged Unit
RH836C59MERV 13HEPAPackaged Unit
RH172X12MERV 13PleatedAir Handler
RH655A63MERV 8HEPAPackaged Unit
RH784A44MERV 11PleatedAir Handler
RH265B51MERV 11PleatedHeat Pump
RH979X64MERV 11HEPAFurnace
RH278X94MERV 13FiberglassPackaged Unit
RH524B87MERV 13HEPAAir Handler
RH471B49MERV 13PleatedHeat Pump
RH552Z17MERV 13PleatedFurnace
RH646B43MERV 11HEPAFurnace
RH846B74MERV 8PleatedFurnace
RH956C17MERV 11PleatedPackaged Unit
RH599X98MERV 11FiberglassHeat Pump
RH576B32MERV 8HEPAAir Handler
RH717Z68MERV 11FiberglassFurnace
RH170Z85MERV 11HEPAAir Handler
RH103B48MERV 8HEPAFurnace
RH934C47MERV 13FiberglassPackaged Unit
RH540Z45MERV 13FiberglassAir Handler
RH968C25MERV 11FiberglassFurnace
RH464C16MERV 13FiberglassFurnace
RH346B81MERV 13PleatedAir Handler
RH311X96MERV 13PleatedPackaged Unit
RH411X61MERV 11PleatedFurnace
RH187Z26MERV 8FiberglassAir Handler
RH759A82MERV 13HEPAFurnace
RH267C12MERV 13PleatedPackaged Unit
RH926B19MERV 11PleatedHeat Pump
RH424Z81MERV 8PleatedFurnace
RH810Z46MERV 13HEPAPackaged Unit
RH212X78MERV 11FiberglassAir Handler
RH421C93MERV 11PleatedPackaged Unit
RH266B94MERV 13HEPAPackaged Unit
RH616C28MERV 8HEPAHeat Pump
RH502A57MERV 11PleatedHeat Pump
RH890Z81MERV 13PleatedAir Handler
RH546Z70MERV 11HEPAAir Handler
RH981B78MERV 8PleatedHeat Pump
RH553X76MERV 13FiberglassPackaged Unit
RH115X54MERV 8PleatedAir Handler
RH425X31MERV 13FiberglassAir Handler
RH383C43MERV 13PleatedFurnace
RH426X45MERV 11HEPAAir Handler
RH264C44MERV 11HEPAAir Handler
RH154X70MERV 8HEPAPackaged Unit
RH413X80MERV 13FiberglassFurnace
RH777A55MERV 8HEPAPackaged Unit
RH195A33MERV 13HEPAPackaged Unit
RH763Z45MERV 13HEPAHeat Pump
RH855X14MERV 8FiberglassPackaged Unit
RH336C69MERV 11PleatedAir Handler
RH498C96MERV 11FiberglassAir Handler

How to Confirm Your Filter Size

The nominal size (20x20x1) is the labeled size. The actual measured dimension is 19.5 x 19.5 x 0.75. Always check the label on your existing filter or measure the slot before ordering replacements.

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