A step up from the mini-SCRUB. The Slim-SCRUB with it's higher capacity filters, removes 99% of chlorine and 90% of sediment from the feed water. The Slim-SCRUB is ideal for a wide range of uses and boasts a remarkable flow rate of 2 GPM, that's 120 gallons per hour! The Slim-SCRUB flows fast enough to operate a garden hose sprayer, making it perfect for water outdoor gardens. The Slim-SCRUB is ideal for those who add expensive beneficial biological organisms to their grow media. The Slim-SCRUB insures that the complex microbiology flourishing in the grow media will not be destroyed by harmful chlorine. For those with tap water that contains chloramine, the Slim-SCRUB can be upgraded with a KDF/CAT carbon filter.