This is a replacement for the 30 Amp Automotive type blade fuse used in the SuperFlow MV50.
If the ampere of power is more, the fuse will shot, hence, saving the air compressor and saving the extra expenses. The fuse for MV50 is ideal to replace the short circuited fuse of the MV50 air compressor. The fuse let you replace the malfunctioned spare than buying the whole new product.
Buy it from the trusted brand SuperFlow.