Air Filters Has to Be Changed

If you have an air condition, it is advisable that its air filters has to be changed periodically. I believe that any any air filters you have in your house or in your car, you maintain it and I salute you for that. The dirty air filters can cause health problem apparently because of the nasty stuff it created. Thus, will cause asthma and other problem. Well, technology has come a long way and it has a good impact to us humankind and all if it has to be well taken cared-of and maintain regularly. Have a great day! Have a happy changing of air filter regularly. Don't forget.. :-)