Made from stainless steel, elastic in radial angle.

Wall entrance, sealed on one side, elastic in radial angle, to pass pipes through building walls, consisting of a FF piece with wall flange, mould sealing, hexagon bolts, plastic joints protecting the threads in the flanges, adjustable flange and the loose gasket.

Sealing on one side against liquids and vermin/insects, food-safe, chlorine resistant.
Elastic in axial direction to accommodate assembly discrepancies.
Elastic in longitudinal direction to accommodate assembly discrepancies.