Instant drain opener with deodorizing lemon scent clears obstructed and slow moving drains safely without the use of acids or lye. Works on kitchen and bathroom sinks, bathtubs, and laundry tubs. Obstructions caused by hair, soap build-up, and grease are removed in seconds by a controlled amount of pressure. Harmless to sound plumbing and can be used with septic systems. 4 oz. can holds up to 15 one second applications.