The approximate size of the Shop-Vac small cartridge filter is 5-3/4 in Dia and 5 in H. It fit's Shop-Vac brand 1 to 4 gal wet dry vacuums (except models J200A, K250, KA450, L250, MACM-250, MACS-200D, MC150A, MC12V1800, 1x1®, Micro®, HangOn®, HangUp® Mini, All Around®, All Around Ez®), 5 gal portable model H87S, 5 gal HangUp®, 5 gal wall mount and 6 gal long life model P12S vacuums.
