Product name: PVC square pipe Product Features: 1, Corrosion resistant. 2, Compressive strength, acid resistance, alkali resistance. 3, Low friction coefficient, high value of utilization. PVC square application: 1, Used for water system. 2, Building materials. 3, Indoor cultivation of flowers and plants. 4, Other industrial pipe. Specification size: Long and wide custom. Thickness: 1.6-5.0mm.