<https://www.arcorporation.pk/product/pipe-3-sdr-32-5-gm-upvc-2/#product>
<http://schema.org/description>
"GM pipe 3\" SDR-32.5. ASTM SDR series : C-class BS 3505. Ideal plumbing materials for Drain, rain water, sewerage system and ventilation"
<https://www.arcorporation.pk/product/pipe-3-sdr-32-5-gm-upvc-2/>