The Earth Friendly Products Proline PL9301/04 Window Kleener lavender glass and shiny surface cleaner uses a blend of lavender oils and plant-based surfactants to help clean glass and other hard surfaces, and is made with biodegradable, plant-based ingredients using a pH-balanced formula that reduces the risk of damage to surfaces. It comes in a one-gallon plastic bottle for efficient storage when filling a dispenser (sold separately). 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.