HydroLogic® BIGboy™ Green Coconut Carbon Filter gift-guide Customizable Ventilation: The lid features

Customizable Ventilation: The lid features two adjustable "dial" ventilators

Holds pots upright on benches

Circular spirit level

7% Magnesium (Mg)

controls ammonia gases and eliminates condensation while reducing heat stress

HydroLogic® BIGboy™ Green Coconut Carbon Filter gift-guide Customizable Ventilation: The lid featuresBIGboy Green Coconut Carbon Filters are the carbon block pre filter that will reduce chlorine, organic chemicals, mercury, lead, PBCs, sulfur and heavy metals. Replace after 25,000 gallons. BIGboy Green Coconut Carbon Filter Features: For BIGboy Systems Reduces up to 99% chlorine, sediment, rust, and silt Rated at 7 GPM 5 micron nominal filtration Replace every 25,000 Gallons Dimensions: 20 in. H x 4. 5 in. W