Hortilux 1000 watt High Pressure Sodium Bulb (2100K)

‘- Best for flowering, strong orange-red content.

– Optimize your plant growth lighting with the proper spectral output.

– This lamp operates in a high pressure sodium (HPS) ballast.

– 1 year in-store warranty.

– Recommended replacement guide – Optimal growth (9-10 months), Average growth (11-12 months), Maintenance growth (12-13 months).