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Netafim UV Polyethylene Tubing 17mm for Drip Mainlines
Specifically formulated to drive plant metabolisms towards reproduction
Hanging Desiccant for Drying Rooms
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Sun System 630W LEC 4200K | 347 / 480 Volt Commercial CMH Fixture Root Stimulators Netafim UV Polyethylene Tubing 17mmWhy the Sun System 630W LEC Ships With 4200K Voltage first: this build runs on 347 480 volt service only, so a 120 or 240 volt room needs a different version. The difference from its sibling is colour temperature, and it changes what you see. A 4200K ceramic lamp spreads its output more evenly across the visible range with a peak nearer 500 nm. It reads as crisp white light rather than the orange cast of a 3100K, and it carries noticeably more energy
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