Sun System LEC 630 - 120 Volt w- 3100 K Lamps Simple Deluxe The Philips CDM ballasts are

The Philips CDM ballasts are replacements for LEC® brand lighting fixtures

Granulated rockwool works great on its own or mixed with other loose media such as expanded clay rocks or coconut fiber

including peat

includes blue and red spectrums needed for growth and flowering

Includes the lid (no holes) and clamp

Sun System LEC 630 - 120 Volt w- 3100 K Lamps Simple Deluxe The Philips CDM ballasts areSun System LEC Brand 630 Watt Light Fixtures utilize cutting edge Light Emitting Ceramic brand technology. This fixture has a dual horizontal lamp configuration offering increased wattage in a single fixture design. It has a 98% reflective German aluminum insert and 95% reflective textured corners for excellent output, uniformity and diffusion. Highly efficient agriculturally engineered CDM T Agro 315 Watt lamps (included) for LEC brand fixtures.