LUKOIL GEYSER MZF 15 is a high-quality, mineral, zinc-free, multigrade hydraulic oil with advanced additive technology. According to the manufacturer's instructions, this product is excellently suited, inter alia, for use in hydraulic systems for which "ashless" hydraulic oils are prescribed. The well-balanced, low-ash formulation offers the best protection against wear and corrosion, rapid air separation and low foaming tendency.