ABS Plus® Foam Core Pipe is for drain, waste and vent purposes only. It is used in gravity fed waste elimination systems. It is for Non-Pressure systems where temperatures will not exceed 140 deg F. ABS Plus® Foam Core is lightweight and easy to install. ABS Plus® Pipe has cellular core, requires no special tools for cutting. ABS Plus® Foam Core Pipe is installed by solvent cementing (no primer required). Charlotte Pipe products are manufactured in the USA.