A150 Supply Grille  Single Deflection A250 Supply Grille  Double Deflection A550 Return Grille  Fixed Blade AG Louvered  Return Grille APERF Perforated  Ceiling Diffuser APERF Perforated  Return Grille AEC Egg Crate Lattice  Return Air Grille ALCD Square &  Rectangular Ceiling Diffuser ALBG Linear Bar Grille AECFG Egg Crate  lattice Filter Grille APFG Perforated Filter Grille A550 FG Fixed Airfoil  Blade Filter Grille ALFG Louvered Filter Grille A44 Opposed Blade Damper
			- Hinged perforated face surface mount supply register. - 22 gauge galvanized steel perforated face with aluminum frame. - Utilizes APERFCB (adjustable curved blade) or APERFCMC (Modular Core) extruded aluminum diffusers. - Opening must be 4" larger in length and width than  nominal duct size. - Square collar. - Countersunk mounting holes for flush appearances with color matching Phillips posi-drive screws. - Soft White Optional: - Opposed blade damper (APERFCO). - Square to round No Labor Collar. View this product in Adobe Acrobat Reader?