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
			- All extruded .065 T6 extruded aluminum construction. - LF floor application. - LS sill apllication. - LSW sidewall application with countersunk screw holes. - Reinforced with pressure lock honeycomb construction to withstand heavy foot traffic. - Available in 1/3" pencilproof and 1/2" spacing. - Available in lengths of 144" in one piece. - Core blades run parallel to longest dimension. - Finish Standard:  F) Satin Anodized - Finishes Optional:  A) Soft White B)  Driftwood Tan, H)  Bronze Anodized Optional: - Recessed hand or screwdriver operated opposed blade damper to control air volume for positive balance of system. - All extruded aluminum air deflection grid for individually adjustable curved blade deflection. - Mitered corners, radius and special shapes. - LFGYM gym grade, welded blades, frame & extra blade supports. - Access doors. - Core only. - Butt joints for continuous look. - Fractional, I.D. and O.D. sizes available. - Frame widths (e.g. LFX 1/2 20° O): Standard - 1-11/32" Option X - 1-1/4" Option Y - 1"  View this product in Adobe Acrobat Reader?