Intermediate frame AeroTec04, series A, alpine white for the series AS and A Frame AS 500 (Art. no.: AS 581.. – AS 585..) A 550 (Art. no.: A 5581.. – A 5585..) A FLOW (Art. no.: AF 581.. – AF 585..) A CREATION (Art. no.: AC 581.. – AC 585..) Surface-mounted installation possible in surface-mounted cap (Art. no.: AS 581 A.. – AS 583 A..)