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[{"$nulls":28},"680/6880-15 H or V, 5680,56880-15 H or V Supply Grille"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},15,"Inches",{"$nulls":11},"Area '( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null,"based on","KECdata"]
[null,"Enter Duct Height in inches =",{"$nulls":6},36,"Inches",{"$nulls":11},3.75,3.48828125,0.75]
[null,"Enter Air Flow (must be greater than 0) =",{"$nulls":6},3000,"CFM"]
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[null,"6880-15H or V Supply Grille",{"$nulls":24},0,2.1907862171648422,6.688057526849242,17.30413919808573]
[null,"Tag : RG-009",null,"IP Data",{"$nulls":22},15,1.7692756480075045,5.766403120735049,15.661279849986391]
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[null,"6880-15H or V Supply Grille",{"$nulls":24},0,0,2.34184365]
[null,"Tag : RG-009",null,"Metric Data",{"$nulls":22},15,0,2.999484675]
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[{"$nulls":26},"0 deg",null,-179,68.79,9.6,null,"M(Vn)",61.11,59.7,65.5,76.5,89.5,90.25]
[{"$nulls":32},"B",-136.7,-135.1,-154,-191,-234,-249]
[]
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