I am guessing you mean Eureka Boss model 3684. If yes, then you need the MM bags which you can check here: https://www.ezvacuum.com/eureka-style-mm-envirocare-microfiltration-vacuum-bags-9-pack-p-2424.html
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I am guessing you mean Eureka Boss model 3684. If yes, then you need the MM bags which you can check here: https://www.ezvacuum.com/eureka-style-mm-envirocare-microfiltration-vacuum-bags-9-pack-p-2424.html