Product details:

Machine washable & dryer friendly furnace air filter. Nature electrostatic air filter AirThreds is made to handle the rigors of your washing machine & high temperatures of your dryer. Simply unzip & wash as often as you choose in warm or hot to kill bacteria. Your filters will be as clean as your laundry without the added cost of replacement filters. AirThreds starter kit could be last for 3-6 years use Included Items AirThreds Washable Filter x 1 AirThreds Snap-On Frame x 1 Storage/Carrying Case x 1 Magnetic Reminder Board x 1