Contains two (2) belts. Replacing a worn or damaged belt maintains optimal brush roll performance to maximize carpet cleaning. It is important to check the belt periodically for any signs of wear that can result from normal use over time. The tighter or newer the belt, the better the vacuum will perform. 

Fits Models SC679, SC689, SC684, SC688, SC886, SC887, SC888, SC889, SC899, SC9050, S600 Part #66100 (replaces part #30563B)