UPC 755429758956

• Our Yield Lab 400w High Pressure Sodium bulbs come with a lifespan of 24,000 hours and a 1 year warranty against manufacturer defects.
• Each 400ww HPS bulb emits 55,000 lumens of orange/red light, and contain 30% more blue spectrum than other HPS bulbs around. The spectrum on these bulbs is perfect for the flowering and blooming stages of your grow, and help during flushing through harves
• Each HPS bulb can be used in either digital ballasts or magnetic ballasts, and fit in all standard E39 Base sockets, making them the most versatile HPS grow bulbs around.
• Yield Lab HPS bulbs have a red color temperature of 2100K and are designed to increase fruiting and flowering volume up to 20% more than with other bulbs with less of a spectrum.
• All Yield Lab HID bulbs pass UL and CE tests, making them safe to use for indoor growing and compatible with both digital and magnetic ballasts.

Our Yield Lab 400w High Pressure Sodium bulbs are designed specifically for the blooming and fruiting stages of plant growth, due to their red, yellow, and orange wavelengths that promotes a greater flowering response from plants. These HPS bulbs give you 55,000 lumens of light and contains 30% more blue spectrum than most other HPS bulbs. Yield Lab 400 watt high pressure sodium bulbs will flower and bloom your garden for up to 24,000 hours and increase fruit and flower volume by as much as 20 percent! * Total Wattage: 400w* Color Temperature: 2100K* Pass UL and CE tests* Fits with all 400w HID grow light reflectors with E39 mogul base sockets* Compatible with magnetic and digital ballasts