APRIL ECOLO VACUUM OIL is a superior quality inherently biodegradable lubricant (20-60% in 28 days) made with pure virgin base oil, environmentally friendly zinc free additives and APRIL NANO 1™ lubricant technology for unsurpassed protection and performance. It has excellent anti-oxidation and anti-corrosion properties. Recommended for rotary and sliding vane vacuum pumps operating in areas sensitive to environmental pollution, such as on or near water and aquifers, near water treatment plants, on farmland, in forests and endangered species’ habitats. Available in one grade.