Polycade Traffic Barrier: 24 in Overall Ht, 62 1/4 in x 24 in, Diamond, Reflective Teck Alaska it is a plastic cover

it is a plastic cover with 4 bolts

It is similar to PVC in chemical resistance

Flow Rate @ 10 Ft

Thermal Protection: Yes

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Polycade Traffic Barrier: 24 in Overall Ht, 62 1/4 in x 24 in, Diamond, Reflective Teck Alaska it is a plastic coverOverall Height 24 in Reflective Grade Diamond Beam Width 62 1 4 in Overall Depth 16 in Body Material Plastic Fillable Ballast Material Sand; Water Weight When Filled with Water 552 lb Color Yellow Interlocking Yes Style Jersey Barrier Empty Weight 35 lb Legend Striped Blank Fillable Yes Type Unrated Accepts Light Yes Manufacturer Part NumberTB 5 14 SeriesTB 5 Sub brandDPI SeriesTB 5 UNSPSC46151505 Country of OriginUSA (subject to change) Product