Hydro-Logic Tall Boy Green Coconut Carbon Filter Guano Company Along with Bluelab pH Probe

Along with Bluelab pH Probe KCI Solution

Lenses are formulated with Method Seven signature color technology and manufactured using the highest quality German mineral glass for unparalleled color

non-abrasive mesh that gently protects stems

Low battery indicator

Hydro-Logic Tall Boy Green Coconut Carbon Filter Guano Company Along with Bluelab pH ProbeGreen Coconut Carbon Filters are the carbon block pre filter that will reduce chlorine, organic chemicals, VOCs, mercury, lead, PBCs, sulfur and heavy metals. #741604 is 20 x 4. 5 inch. #728845 is 20 x 2. 5 inches. #741646 is 10 x 2. 5 inches. #741656 is 20 x 2. 5 inches.