You need these two belts:
https://www.ezvacuum.com/bissell-2x-proheat-right-side-belt-2036804-p-3672.html
and https://www.ezvacuum.com/bissell-17n4-series-deep-cleaner-premier-geared-belt-left-side-part-1602669-by-bissell.html
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You need these two belts:
https://www.ezvacuum.com/bissell-2x-proheat-right-side-belt-2036804-p-3672.html
and https://www.ezvacuum.com/bissell-17n4-series-deep-cleaner-premier-geared-belt-left-side-part-1602669-by-bissell.html