Carson Specification Grade valve boxes are recognized as the Irrigation market’s original brand of grade-level access boxes. Backed by 40-plus years of engineering excellence, our Specification Grade product line offers vertical and lateral strength in a lightweight material for ease of handling. Easily endures passes by both do-it-yourself gardening tools and commercial landscaping equipment.
Carson products are made of structural foam high-density polyethylene with UV inhibitors to provide a lifetime of consistent performance in a variety of weather conditions. Specification Grade boxes are easily modified in the field with a simple hole saw.
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