Diplast PVC pipes are most superior for tube well .they are being manufactured for the last 40years out of the best quality PVC compounds. Diplast PVC pipes are superior in quality to other commonly available pipes due to rich formulation. These are manufactured under strict quality control being less filler loaded. these pipes have a much longer life when installed in tube well .continuous improvements are made from time to time after observation of practical feedback from the farmers. these pipes are available from 4'- 12' diameter. Life expectancy is more than 40-50 years