Under Sink Filtration for Great-Tasting Water Easy to install, the Doulton HIS Push Fit Stainless Steel Housing Water Filter System is designed to fit under your sink without taking up a lot of space, so your countertops stay clear and your water tastes great! Stainless steel housing with hardware and ceramic filter included (additional components needed for installation). Includes 1 Ultracarb Ceramic Filter - Reduces chlorine, cysts, sediment and heavy metals from your drinking water. NSF Certified for codes 42, 53 and 401.. Stainless Steel Housing - Housing comes with a bracket and screws. 3/8 quick-connect fittings.. Space-Saving Design - Its compact size saves you cabinet space.. Made in the UK - High quality! Doulton has been making water filters since 1826.