www.waterfilters.net/Pentek-158002-Water-Filtration-Housing.html
The Pentek 158002 5 inch filter housing is perfect for applications in RVs or campers, boats, for small sinks, countertop residential filtration, pre- and post reverse osmosis filtration, or humidifying systems. The Pentek 158002 SlimLine water filter housing has outstanding chemical compatibility and is ideal for use in a variety of low-flow applications. The Pentek 158002 features a pressure release button on the housing cap. Push this button before changing the filter and it will release the pressure in the sump and make it easier to remove, making filter changes quick and easy. The Pentek 158002 uses any 5" x 2.5" sediment or carbon drinking water filter. The Pentek 158002 housing has 3/8" inlet/outlets in the black reinforced polypropylene cap.