Sandstone Rock Valve Box Cover 53017 water-filtration Regular feeding during the growing

Regular feeding during the growing season improves and helps overall plant nutrition and increases plant nutrient assimilation efficiency

surrounded by built-in sidewalls to keep your harvest securely in place—no spills or dropped material

and has a large 5/8" high display for good visibility

The fan system includes all the necessary hardware and a power supply required for secure installation onto an existing register opening and powering it through an outlet

Sandstone Rock Valve Box Cover 53017 water-filtration Regular feeding during the growingAttractive alternative to standard valve boxes Protects valves from damage due to sunlight or weather Made with weather resistant material Fits up to 4 anti siphon valves Fits easily over most 20 In. rectangular boxes For outdoor use with cold water only