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Universal High Pressure Sodium Bulbs (HPS) These bulbs reproduce more from the red end of the spectrum. They will help your plants to produce more fruits and flowers. Click here if you are looking for an EYE Hortilux HPS bulb with higher lumens and an enhanced blue spectrum. Product ID: XBULBUNHPS Category: Lighting-Bulbs-High Pressure Sodium Select a Bulb 150 Watt HPS $19.16 250 Watt HPS - 28,500 Lumens $23.96 270 Watt Super Agro - 29,500 Lumens $51.16 400 Watt HPS - 50,000 Lumens $39.96 430 Watt Son Agro HPS - 53,000 Lumens $63.96 600 Watt Osram HPS - 92,000 Lumens $87.96 1000 Watt HPS - 140,000 Lumens $71.96 Quantity

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