This belt purchased by Revain from Vacuum Fix is approximately 4-5mm narrower than the original 7000 series belt. My inquiry to Vacuum Fix remained unanswered, I bought some new OEM SB7-2 belts on 7/10/2020. With a width of approx. 18 mm, they correspond to the original. I haven't tried the Vacuum Fix version so I can't say it doesn't fit or work well. But Simplicity has ditched their expensive strap packaging, so I think if they thought a narrower strap would work just as well, they'd save here as well.
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