Sewerage ventilation with integrated custom made sleeve

TOPWET sewerage ventilation for connection to the ventilation pipe with an integrated custom made sleeve (EPDM, TPO, FPO, PR, STE - suitable for cold liquid applied applications), including a rain cover. The height above the insulation is 300 mm (max. 500 mm), the depth below the insulation is 300 mm (max. 1000 mm).