CLR Clog-Free Drain, Pressurized Drain Opener, 4.5 Ounce Aerosol Can (Packaging May Vary) Pressurized Drain Opener, Size 4.5 oz, Container Type Aerosol Can, For Use On Drain Lines, Recommended Dilution Ready To Use Features Safely Blasts Clogs: CLR Clog-Free Drain is a pressurized drain opener that unclogs drains in seconds without the use of harsh chemicals, acids or lye. It is environmentally safe and non-toxic Multi-Purpose: Formulated for use in bathroom sinks, kitchen sinks, tubs, shower stalls, laundry tubs and toilets. Our heavy duty drain opener addresses clogs caused by hair, grease and soap scum Economical: With up to 15 uses per can, CLR Clog-Free Drain cleaner is an economical way to address clogs. It is harmless to sound plumbing and can be used with septic systems Works Instantly: Simply fill sink with water to submerge can's cap, place can's cap over drain opening and press firmly for one second. Repeat if necessary Fight the Clean Fight: CLR offers products for all of your household needs including Healthy Septic System, Spotless Stainless Steel, and Brilliant Bath USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.