Product Details
- Shipping Weight: 9.9 ounces (View shipping rates and policies)
- ASIN: B000TZSZAS
By : Sylvania
Price : $17.46
Product Description
400 watt BT37 Mogul Screw (E39) Base 4,000K Clear Universal Burn General Lighting Metal Halide HID Sylvania Light Bulb
Product Features
- Color/Finish: Clear
- Color Temperature: 4,000K
- Average Lifetime: 15000 hours
- Lumens (light output): 32000
- CRI: 65
Sylvania 64490 - M400/U 400 watt Metal Halide Light Bulb
Customer Reviews
Took a minute or so to initially spark an arc the first time I test fired, but after it finally lit I left it on to temper for about 15 minutes and has been working great since.
Kept my plants nice and stocky short with very little spacing between nodes. Fits "Cool-tube" type reflectors. Glad I didn't splurge on a way more expensive "brand name" horticultural bulb, got the results I was seeking with this one.
Works as designed, at a better price than they used to cost. Came quickly. No problems.
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