| QUICK REFERENCE CFM CHART FOR STANDARD GRILLES |
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| Double Defl Supply |
Eggcrate Return |
Fixed Bar Return |
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| T64 |
CRE500 |
T70D |
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| Max CFM |
Max CFM |
Max CFM |
Grille Neck |
Equivalent Size Grille |
| for NC<25 |
for NC<25 |
for NC<25 |
Size |
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| 150 |
150 |
150 |
6 x 6 |
6x6 |
| 250 |
300 |
250 |
8 x 8 |
10x6 |
| 350 |
450 |
350 |
10 x 10 |
12x8,16x6 |
| 500 |
600 |
500 |
12 x 12 |
14x10, 18x8, 24x6 |
| 700 |
850 |
650 |
14 x 14 |
16x12, 20x10, 24x8, 32x6 |
| 900 |
1100 |
800 |
16 x 16 |
18x14, 22x12, 26x10, 32x8, 42x6 |
| 1200 |
1400 |
1000 |
18 x 18 |
20x16, 24x14, 28x12, 32x10, 40x8 |
| 1500 |
1700 |
1200 |
20 x 20 |
22x18, 26x16, 30x14, 34x12, 40x10 |
| 1800 |
2000 |
1450 |
22 x 22 |
24x20, 28x18, 30x16, 34x14, 40x12, 48x10 |
| 2100 |
2300 |
1700 |
24 x 24 |
26x22, 28x20, 32x18, 36x16, 42x14, 48x12 |
| 2400 |
2800 |
2100 |
30 x 24 |
28x28, 28x26, 32x22, 36x20, 40x18, 46x16 |
| 2800 |
3300 |
2500 |
36 x 24 |
30x30, 30x28, 34x26, 40x22, 44x20, 48x18 |
| 3500 |
4100 |
2900 |
36 x 30 |
34x34, 34x32, 38x28, 42x26, 46x24 |
| 4300 |
5000 |
3400 |
36 x 36 |
38x34, 40x32, 44x30 |
| 5900 |
6000 |
4500 |
42 x 42 |
44x40, 46x38, 48x36 |
| 7700 |
9200 |
6000 |
48 x 48 |
48x48 |
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| Lay-in Diffuser |
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| S1200 |
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| Max CFM |
Diffuser |
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| for NC<25 |
Size |
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| 175 |
6" |
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| 275 |
8" |
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| 400 |
10" |
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| 550 |
12" |
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| 725 |
14" |
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