400 Watt HPS Lamp Bulb ULTRA SUN - Free Shipping

Description

The Ultra Sun® High Pressure Sodium (HPS) lamps have a Kelvin temperature rating of 2000° K which is ideal for the fruiting and flowering stages of plants. It is also an excellent lamp for full-term plant growth. These lamps have been specifically engineered for horticulture applications. Ultra Sun® lamps are high quality, feature robust construction and have excellent reliability at an economical price.
This high output, full spectrum high pressure sodium lamp is ideal for plant growth, especially for growing fruits, vegetables, flowers and herbs.  WARNING: These lamps must be operated in fixtures designed for use with high pressure sodium lamps.  The fixture wattage rating must match the wattage indicated on the outer glass bulb.
FOR USE ON S51 BALLAST ONLY