Bluefin GR3W24-8 24" X 8" (Wall Opening Size) Return Air Grille, 1/3" (White) | Supplyhouse.Com

24"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 9.75"H] White - HVAC Premium

Hart & Cooley 43664 24" X 8" White Baseboard Return Air Grille (657 Series) | Supplyhouse.Com

24" X 8" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Steel - HVAC Premium

8" X 24" Or 24" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 25.75] Steel - HVAC Premium

24" X 8" Cube Core Eggcrate Return Air Filter Grille For 1" Filter White Aluminum - HVAC Premium

Hart & Cooley 43167 24" X 8" (Wall Opening Size) White Return Air Grille (650 Series) | Supplyhouse.Com

8"W X 24"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 25.75"H] White - HVAC Premium

8" X 24" Or 24" X 8" Cube Core Eggcrate Return Air Grille White Aluminum - HVAC Premium

Hart & Cooley 43363 24" X 8" (Wall Opening Size) White Sidewall/Ceiling Return Air Grille (672 Series) | Supplyhouse.Com

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" X 24" - For 8" Vent Connection White Steel - HVAC Premium

24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W X 9.25"H] White - HVAC Premium

Bluefin 4110824BR 8" X 24" Floor Return Air Grille (Brown) | Supplyhouse.Com

8" X 24" Or 24" X 8" Cube Core Eggcrate Return Air Filter Grille For 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 26.5"] - HVAC Premium

24" X 8" 2-Way Air Supply Grille Steel HVAC Vent Cover With Damper, Wall/Ceiling Register, White

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" X 24" - For 8" Vent Connection - Black Steel - HVAC Premium

24" X 8" 3-Way Air Supply Grille Steel HVAC Vent Cover With Damper, Wall/Ceiling Register, White

24" X 8" Invisagrille Flush Removable Cold Air Return Cover

Hart & Cooley 043363 Return Air Grille 24 X 8 in Replacement MPN

24" X 8" Flush Removable Cold Air Return Cover - Invisagrille

Hart & Cooley 11876 8" X 24" (Wall Opening Size) Golden Sand Floor Return Air Grille (265 Series) | Supplyhouse.Com

24" X 8" Steel Return Air Filter Grille For 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 10 5/8"] White - HVAC Premium

24" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall Or Ceiling White Steel - HVAC Premium

Hart & Cooley 610710 24" X 8" (Wall Opening Size) Extruded Aluminum Return Grille (RH45 Series) | Supplyhouse.Com

IMPERIAL Air Grille 8 in L 24 in W Steel Brown RG1229

HART & COOLEY 6742408W 24 X 8 in. Steel Baseboard Return Air Grille

RELIABILT 24-In X 8-In Steel White Sidewall/Ceiling Grille One_Size | 7112408WH

Continental Industries G35W2408 Return Air Grille 24 X 8 Replacement 5152408WH

BUILDMART - 24X8 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart

HART & COOLEY 6502408W 24 X 8 in. Return Air Grille

Hart & Cooley 011876 Heavy Duty Return Air Floor Grille 8 X 24 in Replacement MPN

24"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 25.75"W X 9.75"H] White - HVAC Premium

BUILDMART - 24X8 Black Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart