Where can I get replacement fuses for the Vernier Variable Load?

The Vernier Variable Load (VES-VL) uses a 0.375 mA fuse. A spare fuse is included with each unit (located inside the case).

The fuse is manufactured by Littelfuse Inc., part number 0225.375MXP, and is available from several electronics companies, such as Mouser Electronics and DigiKey.