The Aqua Bar II Series Standard water cooler provides you own source of filtered hot n cold water. Model PF2LRHK by Oasis is an ideal model for your office. It looks great and matches all the decors easily. This UL approved model features GREEN FILTER triple stage filtration. This model uses a 3 stage filtration process to take out all the sediments and odor from the water. It provides you clean and pure water.