The 3300D is a high efficiency take off fitting with a damper that can be used in low and medium pressure applications. It is tested to SMACNA Leakage Class 3 requirements.
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| Availability |
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| SKU | 3300D |
| Part # | |
| Manufacturer | C.L. Ward & Family, Inc |
| Size | 9 |
| Finish | Mill |
| Construction | Steel |