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Grow light HPS and MH 400 Watt
The Sylvania 400W Grolux is a high-pressure sodium super lamp optimizing the red/blue output of the light spectrum essential for plant growth.
The Philips Master Son-t Pia Plus 400 Watt is a 'high pressure sodium' bulb for the flowering stage of your plants.
Philips 400 Watt 230 Volt GreenPower High Pressure Sodium light bulbs are ideal for growing vegetables and flowers.
Lumateks high-par output lamps are designed by the worlds leading HID lamp engineers.
LUMATEK Professional Lighting solutions for retail, indoor and large scale horticultural projects.
The Phillips MH Master HPI-T Plus 400 Watt Watt is a 'metal halide' bulb for the vegetable stage of your plants.
HPS lamps are for the flowering period, MH lamps have more red light in the light spectrum and are for the growth period of the plants. You need a reflector with an E27 fitting for these lamps, and a ballast (ballast).