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Welcome to Original Filters LLC and thank you for visting our site.  We have over 38 years of experience with Aprilaire and know why it is important to use genuine Aprilaire replacement parts when servicing your humidifier and air cleaner. 
There are many choices on the internet that are not "genuine Aprilaire parts".  Our focus is to eliminate any confusion by only offering original Aprilaire replacement water panels, Aprilaire replacement filter media and Aprilaire replacement parts.  There is a difference between "knock-off" brands whether it be the life of the product or even the level of comfort you receive.  You paid to have the best installed when you bought Aprilaire and you can rest assured when you buy from us you will continue to receive the same level of comfort and piece of mind when your Aprilaire was first installed.   
Please let us know how we can be of assistance with your maintenance needs or questions on the installation, operation and service requirements of your Aprilaire products.
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WE ACCEPT: DISCOVER, MASTER CARD, VISA, AMERICAN EXPRESS AND PAYPAL When you buy from us you can rest assured that the replacement filters and parts are "Genuine" Aprilaire products - the only kind recommended by Aprilaire.