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Home/ Lennox/ 16x20x4

Lennox 16x20x4 Filter

179 Lennox cabinet models use this filter size

Filter Size (Nominal)16x20x4
Actual Dimensions15.5 x 19.5 x 3.75
MERV RatingMERV 8
Filter TypeFiberglass
Compatible Models179 Lennox units

Buy Lennox 16x20x4 Replacement Filters

Verify size against your unit label before ordering.

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Compatible Lennox Cabinet Models (179)

All models below use the 16x20x4 filter size. Find your model number on the label inside your filter cabinet door.

Cabinet Model #MERVFilter TypeUnit Type
LE535B30MERV 8FiberglassHeat Pump
LE119A94MERV 13HEPAHeat Pump
LE451A48MERV 8FiberglassHeat Pump
LE440X81MERV 13HEPAFurnace
LE280X61MERV 8PleatedFurnace
LE660A85MERV 8HEPAAir Handler
LE118A14MERV 8PleatedAir Handler
LE934B94MERV 13HEPAPackaged Unit
LE197B33MERV 13FiberglassAir Handler
LE530B48MERV 8FiberglassFurnace
LE519Z62MERV 11HEPAPackaged Unit
LE208A19MERV 11PleatedAir Handler
LE767C88MERV 13PleatedPackaged Unit
LE447B62MERV 13HEPAFurnace
LE731C58MERV 13FiberglassAir Handler
LE583B49MERV 11PleatedHeat Pump
LE938A78MERV 11PleatedFurnace
LE482A31MERV 13HEPAHeat Pump
LE869B89MERV 13FiberglassPackaged Unit
LE171X24MERV 8FiberglassAir Handler
LE786A83MERV 13FiberglassHeat Pump
LE662B20MERV 8HEPAAir Handler
LE370A33MERV 11HEPAAir Handler
LE570A20MERV 8FiberglassFurnace
LE645A48MERV 8HEPAPackaged Unit
LE834Z80MERV 13PleatedFurnace
LE758A62MERV 13FiberglassFurnace
LE655Z39MERV 13HEPAPackaged Unit
LE919C79MERV 11PleatedFurnace
LE493C69MERV 11HEPAFurnace
LE371B53MERV 8FiberglassPackaged Unit
LE516Z78MERV 13PleatedHeat Pump
LE846A10MERV 8FiberglassHeat Pump
LE737A53MERV 11FiberglassPackaged Unit
LE939C32MERV 13PleatedFurnace
LE340X95MERV 13HEPAAir Handler
LE936A95MERV 11PleatedAir Handler
LE157A71MERV 8HEPAAir Handler
LE251X40MERV 11FiberglassFurnace
LE412A17MERV 8FiberglassHeat Pump
LE460X22MERV 8FiberglassFurnace
LE666A30MERV 8FiberglassHeat Pump
LE932C53MERV 11PleatedPackaged Unit
LE981X11MERV 8HEPAPackaged Unit
LE118C12MERV 11PleatedAir Handler
LE402X61MERV 13PleatedAir Handler
LE559C55MERV 13FiberglassHeat Pump
LE897B33MERV 8HEPAAir Handler
LE817C97MERV 13FiberglassAir Handler
LE280B57MERV 13FiberglassPackaged Unit
LE581B10MERV 11FiberglassFurnace
LE392A59MERV 11FiberglassAir Handler
LE376C78MERV 13PleatedHeat Pump
LE537C28MERV 8HEPAFurnace
LE576B72MERV 11PleatedAir Handler
LE115B84MERV 11HEPAAir Handler
LE397C48MERV 11HEPAHeat Pump
LE484B43MERV 8PleatedFurnace
LE556B15MERV 8PleatedAir Handler
LE563B43MERV 11FiberglassHeat Pump
LE792B53MERV 13FiberglassPackaged Unit
LE704B86MERV 11HEPAFurnace
LE641Z20MERV 8FiberglassAir Handler
LE546B38MERV 11PleatedHeat Pump
LE787B34MERV 13FiberglassHeat Pump
LE437B81MERV 11PleatedFurnace
LE881A84MERV 11FiberglassAir Handler
LE899A63MERV 11FiberglassAir Handler
LE922A48MERV 13FiberglassAir Handler
LE294Z22MERV 8FiberglassFurnace
LE966X97MERV 8HEPAHeat Pump
LE962A82MERV 8FiberglassFurnace
LE742Z90MERV 13HEPAFurnace
LE605X23MERV 11HEPAHeat Pump
LE245A28MERV 13FiberglassHeat Pump
LE434X40MERV 8HEPAPackaged Unit
LE886C67MERV 13HEPAPackaged Unit
LE668Z66MERV 11PleatedAir Handler
LE567C93MERV 13PleatedHeat Pump
LE642X10MERV 11PleatedFurnace
LE631Z77MERV 8HEPAAir Handler
LE804B36MERV 13HEPAAir Handler
LE948A32MERV 13FiberglassHeat Pump
LE496C13MERV 13HEPAHeat Pump
LE430X42MERV 13FiberglassFurnace
LE112Z48MERV 8FiberglassHeat Pump
LE592A31MERV 8HEPAPackaged Unit
LE852C46MERV 8PleatedHeat Pump
LE508B64MERV 8HEPAPackaged Unit
LE898C34MERV 8FiberglassAir Handler
LE437B13MERV 11FiberglassFurnace
LE660Z98MERV 11FiberglassAir Handler
LE274C91MERV 13FiberglassAir Handler
LE249X95MERV 8FiberglassAir Handler
LE429A85MERV 8PleatedHeat Pump
LE444Z52MERV 11HEPAHeat Pump
LE437X61MERV 11PleatedFurnace
LE167Z52MERV 8HEPAPackaged Unit
LE474A47MERV 8PleatedHeat Pump
LE821Z47MERV 11PleatedFurnace
LE547B93MERV 8PleatedFurnace
LE454B69MERV 8FiberglassAir Handler
LE786C13MERV 8PleatedAir Handler
LE198X67MERV 13HEPAPackaged Unit
LE660X24MERV 8HEPAAir Handler
LE586Z61MERV 11FiberglassAir Handler
LE722B94MERV 8HEPAHeat Pump
LE258B98MERV 13HEPAFurnace
LE186Z13MERV 8HEPAAir Handler
LE685B81MERV 8FiberglassPackaged Unit
LE841X59MERV 13PleatedPackaged Unit
LE148A75MERV 11HEPAAir Handler
LE852Z48MERV 8HEPAFurnace
LE704C41MERV 13HEPAHeat Pump
LE558C60MERV 13PleatedPackaged Unit
LE273X15MERV 11HEPAPackaged Unit
LE706C76MERV 8HEPAFurnace
LE553B51MERV 13HEPAFurnace
LE771Z60MERV 11FiberglassAir Handler
LE439C43MERV 8PleatedAir Handler
LE411Z80MERV 13HEPAPackaged Unit
LE568C52MERV 11HEPAPackaged Unit
LE559A65MERV 13PleatedPackaged Unit
LE629B30MERV 8PleatedHeat Pump
LE972B59MERV 8PleatedHeat Pump
LE649C94MERV 11HEPAHeat Pump
LE564A43MERV 13PleatedFurnace
LE248Z71MERV 13FiberglassPackaged Unit
LE272A47MERV 11PleatedAir Handler
LE507A28MERV 13FiberglassFurnace
LE129B31MERV 8HEPAPackaged Unit
LE612X72MERV 13PleatedPackaged Unit
LE926X76MERV 8FiberglassHeat Pump
LE797A48MERV 13HEPAFurnace
LE969X97MERV 13HEPAAir Handler
LE683Z79MERV 11FiberglassFurnace
LE229X19MERV 13HEPAFurnace
LE564B42MERV 11FiberglassPackaged Unit
LE348Z85MERV 8PleatedHeat Pump
LE495Z63MERV 13HEPAFurnace
LE478B69MERV 11FiberglassFurnace
LE381B41MERV 11HEPAHeat Pump
LE289A71MERV 11HEPAFurnace
LE516C32MERV 11FiberglassPackaged Unit
LE789Z81MERV 13FiberglassAir Handler
LE776X77MERV 13FiberglassFurnace
LE483Z78MERV 8HEPAFurnace
LE905X37MERV 13PleatedHeat Pump
LE647C43MERV 8HEPAHeat Pump
LE590A21MERV 8PleatedHeat Pump
LE734A76MERV 13PleatedPackaged Unit
LE430X24MERV 11HEPAPackaged Unit
LE290Z90MERV 8PleatedPackaged Unit
LE274X98MERV 13PleatedHeat Pump
LE651B94MERV 8HEPAFurnace
LE122X47MERV 11FiberglassFurnace
LE601B64MERV 13HEPAHeat Pump
LE187C18MERV 13HEPAPackaged Unit
LE375C36MERV 8PleatedAir Handler
LE372A54MERV 8PleatedHeat Pump
LE672C69MERV 13PleatedFurnace
LE145C64MERV 13HEPAPackaged Unit
LE860A39MERV 11FiberglassAir Handler
LE435X75MERV 8HEPAPackaged Unit
LE901Z78MERV 8PleatedFurnace
LE349A64MERV 11FiberglassFurnace
LE191X33MERV 13PleatedHeat Pump
LE864C14MERV 13PleatedAir Handler
LE159C53MERV 11FiberglassHeat Pump
LE558A83MERV 13HEPAFurnace
LE437B37MERV 13FiberglassHeat Pump
LE562A98MERV 11HEPAHeat Pump
LE139C99MERV 11PleatedFurnace
LE497Z47MERV 8HEPAPackaged Unit
LE428A47MERV 11HEPAAir Handler
LE412A66MERV 13PleatedHeat Pump
LE115A80MERV 8PleatedHeat Pump
LE742C87MERV 11FiberglassFurnace
LE211C78MERV 11FiberglassPackaged Unit

How to Confirm Your Filter Size

The nominal size (16x20x4) is the labeled size. The actual measured dimension is 15.5 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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