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For ongoing disinfection, the UV lamp should be replaced annually with genuine VIQUA factory-supplied replacements. The lamp is described as providing stable UV output over a 9000 hour lifetime.
| Model # | D4+ |
|---|---|
| Manufacturer | Aqua Science |
| Shipping Weight | 10 |
The Viqua D4+ UV system should be set up according to the product instructions, with attention to correct lamp installation and ongoing replacement intervals.

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