Yes, this is the air filter you have been looking for.  Think of it...now you can have a high efficiency air filter to fit any size.  And it does not stop at convenience, we've equipped this break-through air filter design with a BioSponge+ filter media, perfect for controlling those airborne germs.  Unlike other adjustable filters, Air Sponge air filters feature a patented "form-fit" anti-bypass seal, to insure 100% air filtration.