The adjustable grooved riser element, H=90 mm, SafeKIT D145, with grate support and stainless steel grate, is used both for raising roof-terrace drains and accessories when roofs are accessible, and as a replacement part for existing drains. It is also used to convert drains with leaf guards into accessible drains. It functions as an accessory for elements that collect rainwater from roof-terraces and direct it towards the building’s drainage system. -Materials: PP, stainless steel, rubber. -Installation height: 90 mm. -Components: stainless steel grate, riser element, O-ring gasket – D135x2.5. -Complies with EN 1253.