| Electrostatic Air Filters require no electrical hook-up; self-generated charge. Permanent and washable. Fits into existing filter tracks. Includes four layers of polypropylene media and sturdy roll-formed galvanized frame. Arrestance rate of 90%. Ten times more effective as disposible filters in reducing: Mold,smoke,pollens,house dust,bacteria,dust mites. | $65.00 ea. |