500 mm L 500 mm W 315 mm H 20 inch x 20 inch x 11 inch H internal size 400 mm x 400 mm x 300 mm H as per IS 3043 pg 3 1987 Weight 5 kg 11 LBS very good replacement for heavy concrete earth pits UV protected polymenr suitable for out door use This PIEC Polymer Earth housing pit is manufactured with blended polypropylene It has high strength to absorb a medium load and shocks It is Stabilised against degradation by by sunlight and cold tempraturesAlso resistant to pests and chemicals in the ground The light weight feature allows easy handling storage and transportation thus increasing installation efficiencyLocking is possible with bult in locks Big size allows deeper electrode connections to be made and reducing the effects from harmful voltage gradientsConfirms to IEC 625615