The Gary Null High Output Shower Filter is highly effective, reliable and easy to use. Unlike carbon only filters this shower filter works best in warm or hot water, with a 6-12 month lifespan. You can feel secure knowing your water has been made safe from contaminants, such as chlorine, lead and iron that are toxic irritants.

Shower Water Treatment Technology lasts 10 to 20 times longer than any carbon-only filters.