When Bonding With Glue, Simply Apply Special Pvc Glue To The Joint Of The Water Pipe And Fittings, And Insert It To Complete The Connection; Elastic Sealing Ring Connection Does Not Require Glue. ✅ 【Strong Corrosion Resistance】: Pvc Material Itself Has Excellent Chemical Corrosion Resistance And Can Withstand The Erosion Of Various Chemical Substances, Including Common Acid-Base Solutions.