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Lennox 20x20x1 Filter

164 Lennox cabinet models use this filter size

Filter Size (Nominal)20x20x1
Actual Dimensions19.5 x 19.5 x 0.75
MERV RatingMERV 11
Filter TypeHEPA
Compatible Models164 Lennox units

Buy Lennox 20x20x1 Replacement Filters

Verify size against your unit label before ordering.

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Compatible Lennox Cabinet Models (164)

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
LE329C24MERV 11HEPAAir Handler
LE833C57MERV 8PleatedAir Handler
LE955A19MERV 11PleatedFurnace
LE350Z42MERV 8HEPAFurnace
LE633X26MERV 8PleatedAir Handler
LE167C74MERV 11FiberglassPackaged Unit
LE487A83MERV 8FiberglassFurnace
LE898A32MERV 8FiberglassPackaged Unit
LE271X60MERV 11PleatedPackaged Unit
LE494C19MERV 13HEPAHeat Pump
LE234A48MERV 11FiberglassHeat Pump
LE302C98MERV 13HEPAAir Handler
LE279B75MERV 8HEPAAir Handler
LE885B22MERV 13PleatedAir Handler
LE219C22MERV 8PleatedHeat Pump
LE857C25MERV 13HEPAFurnace
LE525A73MERV 8HEPAAir Handler
LE944Z37MERV 11FiberglassHeat Pump
LE397A46MERV 13HEPAFurnace
LE937C92MERV 13HEPAFurnace
LE555A52MERV 11PleatedFurnace
LE255B96MERV 11FiberglassHeat Pump
LE853Z37MERV 11PleatedPackaged Unit
LE895X72MERV 11HEPAFurnace
LE977B84MERV 13PleatedAir Handler
LE558Z46MERV 13FiberglassFurnace
LE848Z32MERV 13HEPAHeat Pump
LE888X93MERV 8HEPAFurnace
LE236A45MERV 13HEPAHeat Pump
LE667A55MERV 13HEPAHeat Pump
LE443A89MERV 11PleatedHeat Pump
LE592C53MERV 13FiberglassHeat Pump
LE902C71MERV 13PleatedHeat Pump
LE675B11MERV 11PleatedPackaged Unit
LE498A74MERV 11FiberglassPackaged Unit
LE994B23MERV 11PleatedAir Handler
LE555Z25MERV 11HEPAPackaged Unit
LE145B96MERV 13FiberglassHeat Pump
LE215X16MERV 13FiberglassAir Handler
LE407A56MERV 11FiberglassAir Handler
LE349A54MERV 11FiberglassAir Handler
LE680Z64MERV 11HEPAPackaged Unit
LE844B67MERV 13HEPAAir Handler
LE587X36MERV 8HEPAAir Handler
LE807A11MERV 13FiberglassPackaged Unit
LE361A89MERV 11PleatedAir Handler
LE145A31MERV 8PleatedPackaged Unit
LE296B90MERV 13FiberglassPackaged Unit
LE161B78MERV 8PleatedPackaged Unit
LE610Z40MERV 8HEPAHeat Pump
LE101A62MERV 13PleatedPackaged Unit
LE386A18MERV 8HEPAHeat Pump
LE141B63MERV 8HEPAHeat Pump
LE516B81MERV 8HEPAAir Handler
LE834A68MERV 8FiberglassPackaged Unit
LE124A64MERV 13PleatedAir Handler
LE160C91MERV 11HEPAPackaged Unit
LE202C87MERV 13PleatedFurnace
LE788C90MERV 8HEPAHeat Pump
LE159C66MERV 11PleatedFurnace
LE204C33MERV 11FiberglassHeat Pump
LE634Z29MERV 8FiberglassAir Handler
LE492B22MERV 13PleatedHeat Pump
LE637C38MERV 8FiberglassPackaged Unit
LE716Z51MERV 13PleatedPackaged Unit
LE327Z48MERV 11PleatedAir Handler
LE178B91MERV 13PleatedFurnace
LE212C55MERV 13HEPAAir Handler
LE401C16MERV 13PleatedFurnace
LE577X92MERV 8FiberglassPackaged Unit
LE447B99MERV 8PleatedAir Handler
LE880X48MERV 11FiberglassHeat Pump
LE981A31MERV 11FiberglassHeat Pump
LE290X46MERV 8FiberglassAir Handler
LE492X99MERV 13HEPAAir Handler
LE477C48MERV 13HEPAFurnace
LE970C25MERV 8FiberglassAir Handler
LE366X83MERV 13FiberglassPackaged Unit
LE882X40MERV 13FiberglassPackaged Unit
LE265X38MERV 11FiberglassFurnace
LE491A15MERV 11HEPAPackaged Unit
LE388B61MERV 11PleatedFurnace
LE142B99MERV 13FiberglassFurnace
LE247A15MERV 11HEPAHeat Pump
LE336C68MERV 11PleatedAir Handler
LE877B16MERV 8HEPAAir Handler
LE574B45MERV 13HEPAAir Handler
LE104A24MERV 13FiberglassAir Handler
LE967C30MERV 11FiberglassPackaged Unit
LE426C56MERV 11PleatedHeat Pump
LE531X44MERV 11PleatedPackaged Unit
LE813B63MERV 11FiberglassFurnace
LE192C95MERV 11FiberglassFurnace
LE206C29MERV 13FiberglassPackaged Unit
LE187A94MERV 8PleatedAir Handler
LE457Z33MERV 8FiberglassHeat Pump
LE744Z36MERV 8FiberglassAir Handler
LE740B29MERV 8FiberglassHeat Pump
LE749A46MERV 8PleatedHeat Pump
LE648X95MERV 13HEPAAir Handler
LE960A22MERV 11PleatedPackaged Unit
LE281C74MERV 13FiberglassFurnace
LE758B29MERV 8PleatedPackaged Unit
LE456A13MERV 11HEPAPackaged Unit
LE405A28MERV 8HEPAPackaged Unit
LE912B57MERV 13HEPAHeat Pump
LE504C17MERV 8HEPAPackaged Unit
LE228A38MERV 13HEPAPackaged Unit
LE387B98MERV 13PleatedHeat Pump
LE931C27MERV 8FiberglassAir Handler
LE948A11MERV 13PleatedAir Handler
LE740B13MERV 11PleatedPackaged Unit
LE343Z96MERV 13HEPAPackaged Unit
LE408C91MERV 13PleatedHeat Pump
LE308Z97MERV 8PleatedFurnace
LE253X50MERV 13HEPAHeat Pump
LE391B80MERV 11HEPAHeat Pump
LE416A89MERV 13PleatedAir Handler
LE656B12MERV 13PleatedPackaged Unit
LE528X93MERV 11PleatedAir Handler
LE385A92MERV 8FiberglassPackaged Unit
LE535B99MERV 11HEPAAir Handler
LE986B18MERV 13FiberglassHeat Pump
LE742B69MERV 11FiberglassAir Handler
LE295C23MERV 11HEPAFurnace
LE705C10MERV 11PleatedFurnace
LE395X56MERV 11FiberglassPackaged Unit
LE140X97MERV 11HEPAPackaged Unit
LE370A52MERV 13HEPAAir Handler
LE267B72MERV 11HEPAHeat Pump
LE841B29MERV 13PleatedAir Handler
LE585X39MERV 13PleatedPackaged Unit
LE720Z40MERV 11PleatedAir Handler
LE609Z55MERV 11FiberglassHeat Pump
LE763C78MERV 11FiberglassFurnace
LE695B21MERV 13PleatedPackaged Unit
LE819X77MERV 11PleatedPackaged Unit
LE979A51MERV 13HEPAFurnace
LE371A60MERV 8FiberglassFurnace
LE104A46MERV 11PleatedAir Handler
LE766X42MERV 8FiberglassAir Handler
LE892X15MERV 13FiberglassFurnace
LE657B88MERV 11FiberglassHeat Pump
LE115Z11MERV 8FiberglassPackaged Unit
LE265A99MERV 8PleatedHeat Pump
LE959Z37MERV 13HEPAFurnace
LE654A66MERV 8PleatedPackaged Unit
LE140C73MERV 8FiberglassAir Handler
LE677Z44MERV 8FiberglassAir Handler
LE606X48MERV 8HEPAAir Handler
LE996X98MERV 13HEPAPackaged Unit
LE257B26MERV 8PleatedFurnace
LE942B26MERV 13HEPAHeat Pump
LE178X40MERV 13FiberglassAir Handler
LE316Z20MERV 8HEPAAir Handler
LE640C79MERV 13HEPAPackaged Unit
LE653X45MERV 8FiberglassFurnace
LE532X85MERV 8PleatedPackaged Unit
LE492Z42MERV 11FiberglassAir Handler
LE155Z96MERV 8HEPAFurnace
LE424A61MERV 8PleatedPackaged Unit
LE996Z29MERV 8FiberglassPackaged Unit
LE795Z90MERV 11FiberglassFurnace
LE435X75MERV 8PleatedFurnace

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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