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- Returnable for 30 days; customer pays shipping (Learn More)
- A 1-year manufacturer's warranty is provided against defects.
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Metal Halide 400W 20K Radium bulb
Metal Halide the best lighting for your aquarium
supplies the most concentrated light intensity, color spectrum and
wavelength essential for photosynthesis and coral health. Powerful
enough to reach the lower depths of your aquarium with the same
- German made 250W HQI lamp by Radium
- Deep blue appearance
- Brings out fluorescence in fish & corals
- Provides the aquarium with an attractive, blue look
- Must be used with 250W HQI or Electronic ballast
- 1.78 in. W x 10.5 in. L x 1.78 in. H
- AC Voltage
- Aquarium Type/Accessory
- Bulbs & Tubes:
- Bulb & Voltage Type
- Metal Halide • Tubes
- Manufacturer SKU
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