Item model number Maxum 5 7 9 & DB5000,7000,8000 -DB9000. Maxum 5, Maxum 7, & Maxum 9. Model Info Maxum 5 7 9 & DB5000,7000,8000 -DB9000. High-Quality Materials: Vacuum cleaner Cloth Filtration bags are constructed of three layers of electrostatic material.
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