The Earth Friendly Products Proline PL9962/04 Orangerine window cleaner uses plant-based surfactants to help clean glass and other hard surfaces, and is made with biodegradable, plant-based active ingredients using a pH-balanced formula that reduces the risk of damage to surfaces. This concentrated liquid comes in a one-gallon plastic bottle for efficient storage and pouring for dilution ratio measurement. This product is safe for greywater and septic systems. Earth Friendly Products manufactures household and commercial cleaning products. The company, founded in 1989, is headquartered in Addison, IL.