PETSTANDARD Replacement Filters are compatible with most models of the SHELANDY Pet Dryer STL-1902 / 1903 / 1904 / 1907 / 2401 / 2402 / 2404.
Filter Measurements: 5" x 4.5" x 0.85". Diameter of the center hole is 0.5”.
Effectively protects your motor from debris, hair, etc...