Purevac SC Evacuation System Cleaner - 5 Liter,169 uses. Citrus scent. Has a separator compatible formula with a near neutral pH specifically designed for systems with amalgam separators. Non-Foaming and biodegradable. Removes a wide range of dental debris. Super concentrated 1 oz. per 1 quart dilution. 5 liter yields 169 uses. 64 oz. bottle