Lawn & Patio: Apollo Horticulture GLK400GW19 400 Watt Grow Light Digital Dimmable HPS MH System for Plants Gull Wing Hood Set - AmazonUs/PSYMG
Home Improvement: Kobi Electric K3N7 120-watt (400-Watt HID) 277v Corn Light LED 6000K Cool White High Lumen HID replacement, Non-Dimmable - Kobi Electric
Lawn & Patio: Apollo Horticulture GLK400CT24E 400 Watt Grow Light Digital Dimmable HPS MH System for Plants Cool Tube Hood Set - AmazonUs/PSYMG
Lighting: GE 43828 - MVR400/U - 400 Watt Metal Halide Light Bulb, Mogul Base - GE
Lawn & Patio: Apollo Horticulture GLK400LS24 400 Watt Grow Light Digital Dimmable HPS MH System for Plants Air Cool Hood Set - AmazonUs/PSYMG
Lighting: Sylvania 64490 (10-Pack) M400/U 400-Watt Metal Halide HID Light Bulb, 4000K, 36000 Lumens, E39 Mogul Base - Sylvania
Lawn & Patio: HYDROPONIC SYSTEM hps 400w DIGITAL hid 400 WATT W GROW LIGHTS bulbs GRO - Yield Lab
Home Improvement: Hyperikon Street Lighting LED 80-Watt (400-700 Watt Replacement), Large Mogul Screw Base (E39), 5000K (Crystal White Glow), 360° Flood Light, UL-Listed and LDL-Qualified - Hyperikon, Inc.
Lawn & Patio: SPL Horticulture STB 1000 Hydroponic 400W Watt HPS MH Digital Dimmable Electronic Ballast for Grow Light Bulb Lamp
Home Improvement: GE Lighting 26431 400-Watt LUCALOX400 HID High Pressure Sodium Mogul Base Light Bulb, 1-Pack - GE Lighting
Home Improvement: Hyperikon LED 70W Wall Pack Light, LightingFacts and DLC-Qualified, 350-400W HPS/HID Replacement, 5000K (Crystal White Glow), 6033 Lumens, Waterproof and Outdoor Rated, UL-Listed - Hyperikon, Inc.
Lawn & Patio: Planet Light Pro 400-Watt Super HPS Grow Light for Horticulture Indoor Gardening and Hydroponics (E39, Full Spectrum, 51000 Lumen, 24000 Hour Lifespan) - 247Garden
Home Improvement: SYLVANIA 64705 - 400 Watt - BT37 - METALARC PRO-TECH - Metal Halide - Protected Arc Tube - 3600K - ANSI M59/O - Base Up Burn - MP400/BU-ONLY - SYLVANIA
Lawn & Patio: Apollo Horticulture GLK400UM42 400 Watt Grow Light Digital Dimmable HPS MH System for Plants Vertical Umbrella Hood Set - AmazonUs/PSYMG
Lighting: COOLWEST 400W Metal Halide MH Replacement, 100-watts Daylight LED Bulb,E40 9000 Lumens,Easy for Factory/Workshop Lights LED Retrofit - COOLWEST
Lawn & Patio: SPL Horticulture 400 Watt Grow Light Digital Dimmable HPS MH System for Plants Horizontal Umbrella Reflector Set 400watt kit
Lawn & Patio: ION Electronic/Digital HID Ballast, 400W - Ion
Home Improvement: Philips 404871 Green Power High Pressure Sodium 400-Watt T15 Light Bulb - Philips
Lawn & Patio: SPL Horticulture STMB 1000 Hydroponic 400W Watt Metal Halide MH Grow Light Bulb Lamp for Magnetic and Digital Ballast
Lighting: Luxrite LR20725 (4-Pack) LU400/ED18 400-Watt HID High Pressure Sodium Light Bulb, Warm White 2100K, 50000 Lumens, E39 mogul base - LUXRITE
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