28"W X 16"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 17.875"H] Copper Coil With a 5" diameter for Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

With a 5" diameter for the duct opening measurement

+ Instructions for Pump Installation and Maintenance Pre-Installation Checks

Its locking eight-tumbler mechanism and supplied key safeguard your thermostat from tampering

Insulation density is 30kgs/cbm = 0

actual front end outer dimensions are approximately 34 5/8" width X 12 5/8" height -

28"W X 16"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 29.875"W X 17.875"H] Copper Coil With a 5" diameter for Compatible With Duct 7in Applications This sheet metal DDAG A 1212 With a 5" diameter for the duct opening measurement + Instructions for Pump Installation and Maintenance Pre Installation Checks