https://www.jparrboro.co.uk/polypipe-320mm-dia-shallow-access-riser-sealing-ring-ug388-50-jpm-10000617
Polypipe 320mm Dia Shallow Access Riser Sealing Ring UG388
Polypipe 320mm Dia Shallow Access Riser Sealing Ring UG388 (50)
riser sealing ringpolypipediashallowaccess