Hydrologic Big Boy Carbon FilterGet healthy and safe water for your home and grow room with this Hydrologic carbon filter. It eliminates 99% of harmful contaminants like pathogens, bacteria, etc., from the water to reduce potential health problems. It is highly compatible with a Big Boy water filter. It can also help you enhance the flavor of the water. Therefore, if you think your water has a bad aroma or taste, try this Hydrologic carbon filter today. Specifications: SKU Model