Ipex 079117 1.5" ABS Drainway Cell Core Pipe. ABS cellular core pipe is approved for use in the same applications as solid wall ABS pipe but weighs about 25% less. Available in 3', 6', and 12' lengths. Throughout Canada, ABS-DWV (drain, waste and vent) piping has been successfully used in single family homes and general wood-frame construction. Builders and contractors have enjoyed the durability, ease of installation and overall value of ABS in providing a plumbing drain system