The approximate size of the Shop-Vac® Small Cartridge Filter is 5.75 inch diameter and 5 inches high.

It fits Shop-Vac® brand 1-4 gallon* 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 gallon* portable model H87S, 5 gallon HangUp®, 5 gallon* Wall Mount and 6 gallon* long life model P12S vacuums.