Humboldt County's Own Purple Maxx 1 Gal spl_ps They are marked according to

They are marked according to UL standards for use with either bulb

The tightly woven synthetic HEPA fibers in this filter will help prevent mold

The Core is designed to meet the needs of commercial and home growers alike

This model (PHB4010) is capable of multi-voltage operation (120V/208V/240V)

Humboldt County's Own Purple Maxx 1 Gal spl_ps They are marked according toUnique in the industry. Amino acid based cocktail that intensifies final color in susceptible varieties. No dies, no tricks. Dont wait and hope. Get the color you want when its time to harvest. Customers tell us many new varieties respond very strongly and reliably to Purple Maxx.