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Galfan coated hesco defensive barrier is one multi-cellular defensive barrier system which made of zinc-aluminum weld mesh frame and lined with heavy duty non-woven geotextile. The zinc coating of galfan wire can be over 250g/m2, this heavy zinc coating layer let the weld mesh frame of hesco defensive barrier very durable. The zinc-aluminum hesco defensive barrier is usually used for flood prevention because the zinc-aluminum wire has the property of rust-resistance.