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Hart & Cooley Manuals
Commercial Registers & Grilles
30" x 12" (Wall Opening Size) White Commercial Supply Register (821 Series)
111
112
113
114
115
116
117
118
119
120
Screw Hole Location Chart
92 Series, 94 Series, 98 Series
821, 831
Engineering Data
119
Engineering Data
1
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118
119
120
121
122
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130
