A Cabin air filter is designed to trap dust, bacteria, and exhaust gases before they get into the ventilation system of your vehicle. This device is very important for maintaining the comfort inside your vehicle. Cabin air are said to be six times dirtier than the polluted air outside. Therefore it is just necessary to regularly replace your Mercury Cabin air filter at the time interval provided by the manufacturer. Your cabin air filter may last from 10,000 to 15,000 miles of travel or at least once a year. It must not be cleaned or re-installed in your ventilation system so you need to replace it whenever they are already overused or severely damaged. Proper maintenance and replacement procedures of your cabin air filter are found in the owner's manuals. You can find a lot of carbon- impregnated cabin air filters in the market today. These filters are made to easily eliminate pollutants. The relevant processes in the HVAC (Heating, Ventilation, and Air-conditioning system) need to be protected from pollution to maintain the quality of air supplied inside your vehicle. Defective cabin air filters can produce bacteria and mould especially under damp weather condition. With a good-quality Mercury Cabin air filter replacement, you are always sure that you are safe from harmful exhaust and other particulates while you are inside your vehicle. There are two types of cabin air filter: the standard and the carbon-layered air filter. The former is used to filter pollen, dust, and diesel particles. The latter eliminates ozone compounds, unpleasant smells, and emissions aside from filtering the contaminants. Replacement cabin air filters are always available in many online auto-parts sources. Here in our store, you can have a quick and convenient cabin air filter search through our parts catalog. You may call us toll free in case you need further details about your product choice.