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ZHN3125
3% Uncovered
NRC Rating: 0.70

3mm hole dia
12.5mm centers on straight rows

ZHN6125
11% Uncovered
NRC Rating: 0.75

6mm hole dia
12.5mm centers on straight rows

ZHN8125
20% Uncovered
NRC Rating: 0.80

8mm hole dia
12.5mm centers on straight rows

ZHS320
3% Uncovered
​NRC: 0.70

3mm hole dia
20mm centers on staggered rows

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ZHS620
14% Uncovered
​NRC: 0.80

6mm hole dia
20mm centers on staggered rows
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ZHS820
24% Uncovered
​NRC: 0.90

8mm hole dia
20mm centers on staggered rows

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Slot Perforations>