Lawn & Patio: iPower GLBULBH400 400-Watt Super HPS Grow Light Bulb for Magnetic and Digital Ballast, 55,000 Lumen, Best Lumen-per-watt-per-dollar Ratio on The Market - iPower Grow Light
Lawn & Patio: iPower GLBULBM400 400-Watt MH Grow Light Bulb for Magnetic and Digital Ballast, 36,000 Lumen, High CRI for Daylight-like Performance, Regulation: USA Federal Standard 21 CFR 1040.30 + Canada Standard S OR/80-382 - iPower Grow Light
Lawn & Patio: Virtual Sun VS400WMB 400-Watt Magnetic Grow Light Ballast - Power Max
Lawn & Patio: Apollo Horticulture APL400 Hydroponic 400 - Watt HPS MH Digital Dimmable Electronic Ballast for Grow Lights - AmazonUs/PSYMG
Lawn & Patio: Hydroplanet 400W Horticulture Air Cooled Reflector Hood Set Bundle with Digital Dimmable Ballast HPS MH System Light Kit - hydroplanet
Lawn & Patio: SPL Horticulture STHB 1000 Hydroponic 400w Watt High Pressure Sodium HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
Lawn & Patio: Virtual Sun VS400WRMS 400-Watt Hood HPS + MH Grow Light System Kit - Power Max
Lawn & Patio: SPL Horticulture Sthb 400 Hydroponic 6 Pack 400w Watt High Pressure Sodium HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
Lawn & Patio: SPL Horticulture Sthb 400 Hydroponic 400w Watt High Pressure Sodium HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
Lawn & Patio: SPL Horticulture Sthb 400 Hydroponic 3 Pack 400w Watt High Pressure Sodium HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
Lawn & Patio: iPower GLBLST400D Digital Dimmable Ballast for Grow Light, 400-watt, CE certified and UL listed, HPS and MH lamp supported, convertible with micro-chip programming, Short Circuit Protected, Fast Lamp Ignition, Stable Light Output, Power Surges, Ignition Failure Protection; Overheating Protection; End-of-Bulb-Life Protection - iPower Grow Light
Lawn & Patio: Powermaxx GLX-HPS400 400-Watt Super HPS Grow Light Bulb for Magnetic and Digital Ballast - Powermaxx
Lawn & Patio: 2 Pack - Supreme 400Watt MH Grow Light Bulb Lamp for Magnetic and Digital Ballast - Supreme
Lawn & Patio: SPL Horticulture STB 1000 Hydroponic 400W Watt HPS MH Digital Dimmable Electronic Ballast for Grow Light Bulb Lamp
Lawn & Patio: Powermaxx GLX-HPS600 600-Watt Super HPS Grow Light Bulb for Magnetic and Digital Ballast - Poermaxx
Lawn & Patio: SPL Horticulture Sthb 400 Hydroponic 400w Watt High Pressure Sodium HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
Lawn & Patio: SPL Horticulture STB 1000 Hydroponic 400w Watt HPS Mh Digital Dimmable Electronic Ballast for Grow Light Bulb Lamp
Lawn & Patio: Hydroplanet? Horticulture 400w Hydroponic 400w Watt Grow Light Digital Dimmable Ballast HPS Mh System Kit for Plants Gull Wing Reflector Hood Set (400w) - Hydroplanet
Lawn & Patio: Apollo Horticulture GLBHPS400 400 - Watt High Pressure Sodium HPS Grow Light Bulb Lamp - AmazonUs/PSYMG
Lawn & Patio: GYO 400 Watt HPS + MH Grow Light Hood Reflector Digital Ballast Hanger Kit, GYO2022
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