Amazon.com: VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Everything Else
Amazon.com: iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, 2-Pack, white : Everything Else
Amazon.com: VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Everything Else
Amazon.com: 400 watt ballast
Amazon.com: VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Everything Else
Amazon.com: VIVOSUN 2-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Patio, Lawn & Garden
Amazon.com : HTG Supply 400-Watt High Pressure Sodium (HPS) Complete Grow Light, Bulb Included : Patio, Lawn & Garden
Amazon.com: iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, 2-Pack, white : Everything Else
Hydro Crunch 400-Watt High Pressure Sodium HPS Bulb in the Grow Light Fixtures & Kits department at Lowes.com
Amazon.com: VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Everything Else
Amazon.com: 400 watt hps bulb
Amazon.com: iPower GLBULBH400 Pressure Sodium Grow Light Bulb Lamp for Plants High PAR Enhanced Red and Orange Spectrums CCT 2100K, 400W HPS New : Everything Else