Wide Compatibility: Specifically designed for DEWALT 12-16 gallon wet/dry vacuums, including DXV12P, DXV14P, DXV16P, DXV16PA, and DXV16S (replacement for DXVA19-4102)|High-Efficiency Dust Adsorption: Double-layer construction (outer paper + inner polypropylene) effectively adsorbs fine dust, sawdust, drywall debris, and wood shavings for cleaner air output|Secure Seal Design: Features a tight rubber collar to prevent dust backflow when removing full bags, keeping the vacuum interior clean|Easy Disposal & Installation: No tools needed—simply discard when full for mess-free cleanup. Fits snugly with 40" L × 15.75" H dimensions (2.5" collar)|Durable & Cost-Effective: 4-pack included for extended use. Ideal for workshops, construction sites, and home cleaning (dry debris only)|Important Note: This product is a third-party compatible accessory. Any use of the brand name or model designation for this product is made solely for the purposes of demonstrating compatibility. Please read product description carefully before buying, wish you a happy day