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ROBERTSON 3P10012 CLU0400H04912 mHID, Ballast, High Pressure Sodium, 400 Watt (S51), 120/208/240/277Vac., 60Hz, CWA, Quad Tap Ballast Kit

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400 Watt - High Pressure Sodium Ballast - 5 Tap - ANSI S51 - Power Factor 90% - Includes Dry Capacitor, Ignitor and Bracket Kit - PLT 86611

Complete 400 Watt HPS Hydroponics Grow Light System

Virtual Sun 400W HPS MH Grow Light Hood Reflector Magnetic Ballast Kit 400 Watt

THUNDER (TM) Light Digital Dimmable HPS MH Grow Light System for Plants with EcoSun Medium 6-Inch White Air Coolable Reflector with Easy Location Mounting - 5 Years Manufactures Warranty (400 - Watt Ballast, 2 Bulb (HPS & MH))

THUNDER (TM) Ballast Kit 600-Watt Light Digital Dimmable HPS MH Grow Light System for indoor growing with Easy Location Mounting - 5 Year Manufacturer Warranty - REFLECTOR NOT INCLUDED

iPower 400w watt Digital Super HPS Grow Light System with Air Cool Hood, complete kit includes Digital Switchable Ballast, HPS Bulb, 6" Air Cool Hood, Hanger Kit and Timer

iPower Grow Light - Dimmable New 400 Watt HPS Digital Grow Light System 400W with 19" Wing Reflector and Yoyo. Sun Lamp Plant Growing

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