34" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 26 5/8"] Compatible With Duct 6in actual front end outer dimensions Height_16in RG1612AL Product Details Size 14

actual front end outer dimensions are approximately 28 5/8" width X 12 5/8" height

actual front end outer dimensions are approximately 18 5/8" width X 38 5/8" height -

Both lines taped together every 18in for easier handling & installation

+ Product Description Secure your thermostat with the heavy-duty Beige Metal Thermostat Guard

3 * insulation density is 30kgs/cbm = 0

34" X 24" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 36 5 8" X 26 5 8"] Compatible With Duct 6in actual front end outer dimensions Height_16in RG1612AL Product Details Size 14 actual front end outer dimensions are approximately 28 5 8" width X 12 5 8" height actual front end outer dimensions are approximately 18 5 8" width X 38 5 8" height