400 Watts Philips Agro High Pressure Sodium Lamp
Replacement lamp that promotes flowering.
Screw into any of our Reflectors and use with a 400 watt Ballast.
High Pressure Sodium Lamp developed for Horticulture to suit E40 Lampholder.
Can also work well for the growing phase.
We recommend that lamps are replaced 9/14 months, during this time there is an appreciable drop in the lumen output leading to a reduction in crop yield.
Delivery from just £3.95!
