This Lower Filter Bag is Perfectly Matched With A 70 Gallon Capacity Dust Collector, Which Can Fully Utilize The Internal Space of The Dust Collector to Achieve Large Capacity Dust Storage. Whether it is The Large Amount of Sawdust Generated By Long-Term Woodworking or The Fine Dust Left by Fine Polishing, it Can be Easily Accommodated, Reducing The Trouble of Frequent Replacement of Filter Bags And Improving Work Efficiency; at The Same Time, The Bag Body is Tough And Wear-Resistant, Which Can Effectively Resist The Friction And Impact of Sawdust And Particulate Matter, Extend its Service Life And Reduce Replacement Costs. it Also Has Excellent Filtering Performance, Which Can Efficiently Capture The Dust And Sawdust Particles Generated By Woodworking Processing, Prevent Dust Leakage, Maintain A Clean And Hygienic Working Environment, And Reduce The Harm of Dust to The Respiratory Tract of Operators, Providing Protection for Woodworking Work.