36" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w28h28 actual front end outer dimensions RGADJ-3012 7" Round Duct Pipe Quality Packaging carefully packaged

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

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

Actual Filter Size – 21 3/4"w x 27 3/4" x 1"

+ Product Details Size - 14"w X 24"h is the size for the duct opening measurement only

36" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w28h28 actual front end outer dimensions RGADJ 3012 7" Round Duct Pipe Quality Packaging carefully packaged actual front end outer dimensions are approximately 32 5 8" width X 10 5 8" height Tamper Proof Security – Features a robust design to prevent unauthorized access and protect your thermostat settings