This sale is for 6 - 600w MH Conversion Grow Light Bulbs by VIVOSUN. Designed for use with 600w HPS ballasts, making it ideal for indoor growing setups. Suitable for vegetative growth, maintaining mother plants, and all stages of autoflower plants. With a high lumens output of 60,000 this MH conversion bulb provides a superior quality light spectrum for healthy / vigorous plant growth. Designed to be used with magnetic and electronic ballasts, this product is a wise choice for enhancing your indoor garden setup.

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