Vola w Arne Jacobsen 590H One Handle Mixer TapVola w Arne Jacobsen 590H One Handle Mixer Tap One handle mixer with ceramic disc technology for table mounting 500, with swivel spout 090H and water saving aerator. Hole cut out size, mixer: 42 mm. Hole cut out size, spout: 22 mm. Designed in 1968, the first VOLA mixer, the 111, is the essence of Arne Jacobsens pared back form, a circle within a circle, bisected by a simple line Shortly after Arne Jacobsen won a competition in 1961 for his design of