Concept Water - Whole House Water Filtration Eastvale CA. Kent has been in the industry for years, providing reputable service to provide you a healthy and beneficial water for drinking and other uses. We have trained our team to deliver you quality results when it comes to installing residential water filtration system and whole house water softener system. For years, we have been working in collaboration with Pelican Water Systems that offers a number of products such as pelican water system installer and pelican smart combo. We believe that having a pure water is your basic necessity and we try our best to meet that need. With our home water purification system, you will have a wonderful experience.