HtabOverviewModels Accessory OBD-L - Grille Mount • Steel • Long Blades Return/Exhaust/Transfer Air 6145H - Steel • 45° Deflection 61EC - Steel Frame, Eggcrate 51EC - Aluminum • Eggcrate • Core Only 61DGD - Steel • Double Flange 61DGD-FR - Fire Rated Supply Air 61DV-O - Steel • Double Deflection • OBD Submittals 51EC • Aluminum • Lay-in T-Bar • Frame Type C - Core Only 6145H Steel • 3/4" (19) Spacing • Surface Mount • Frame Type - S 61DGD • Steel • Sightproof Door or Transfer Grille 61DGD-FR • Steel • Fire Rated Door Grille 61DV-O • Steel • Double Deflection with OBD 61EC-L • Steel Frame • Aluminum Core • Layin Frame Type - L 61EC-S • Steel Frame • Aluminum Core • Surface Mount Frame Type - S OBD • Air Balancing Devices • Steel • Opposed Blade Damper • Neck Mounted • w/ Operator Type SL Performance Data 51EC, 61EC • Eggcrate Return 6100 Series • Throw, Spread and Drop 6145H • 3/4" Spacing • 45° Deflection • Imperial 61DGD • Performance Data
