c6cffb15_ilters___FurnaceFilterCare_com__Characteristics
[0] Electrostatic [Pros] Permanent and washable Moderate air flow restriction Most last for years Many have lifetime warranties No face loading (increases dust loading capacity) No electricity required No ozone is produced with these filters One time purchase cost – saves you money [Cons] Many different designs and not all are good quality If not properly maintained they will restrict air flow Regular cleaning is required [Characteristics] 
Don’t require electricity Washable Should be cleaned monthly 1/2 and 1 inch thick Custom sizes often available aluminum or flex frames available Panel design
Use The Chart To Compare Filters:: FurnaceFilterCare.com
Characteristics