16" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 18 5/8" X 18 5/8"] Fixed Blades with Damper this guard ensures long-lasting protection Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

this guard ensures long-lasting protection and security

Produced in accordance with ISO 9001-2008 Quality Management System

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

ensuring compatibility with most thermostat models

5" width x 13

16" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 18 5 8" X 18 5 8"] Fixed Blades with Damper this guard ensures long lasting protection Compatible With Duct 7in Applications This sheet metal DDAG A 1212 this guard ensures long lasting protection and security Produced in accordance with ISO 9001 2008 Quality Management System