315w 4200K Ceramic Metal Halide - CMH Lamp - PGZ18 style base

- European PCA (Polycrystalline Alumina) imported from Holland

- Compact lamp shape with superior colour quality 4200k CRI rating 95 and 33,000 initial lumens

- Advanced low frequency square wave technology

- Energy efficient, high PAR value lamp spectrum

- Reduced operating heat

- Increases plant production

- Rated life span 20000 hours