Unplasticised Polyvinyl Chloride Column Pipes utilise O ring to avoid leakage of water from joint. These Column Pipes are made of quality grade unplasticised polyvinyl chloride material that ensures longer functional life. These Column Pipes have a step ring for locking of pipe with coupler. Unplasticised Polyvinyl Chloride Column Pipes are offered in a compact design that facilitates ease of installation.