24" x 24" RETURN FILTER GRILLE for Drop Ceiling - Uses 20" x 20" Filter - Easy Access Door & Latch To Filter w26h26 + Product Details Size -

+ Product Details Size - 24"w X 22"h is the size for the duct opening measurement only

Tamper-Proof Security – Features a robust design to prevent unauthorized access and protect your thermostat settings

with actual outer dimensions of 22

+ Product Details Size - 24"w X 10"h is the size for the duct opening measurement only

Pre-flared ends with nuts are for simple and easy installation

24" x 24" RETURN FILTER GRILLE for Drop Ceiling - Uses 20" x 20" Filter - Easy Access Door & Latch To Filter w26h26 + Product Details Size -+ Product Details Size 24"w X 24"h High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location sidewall and ceiling Design removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and requires no screwdriver to open. Noise free components No vibrating louvers etc. Quality Packaging carefully shrink