Briandisplay General Projector Air Filter For Panasonic PT-AE300E PT-AE4000 PT-AE4000U PT-AE500, cut the size of the frame. Please read before purchase, no warranty needed; This is general air filter, cut the size of the frame The size is around 10cm x 10 cm (3.9 inches x 3.9 inches). Material: foam type