Upgrade your cleaning performance with this premium Shop Vac Type AA filter replacement, engineered to deliver powerful suction, superior filtration, and long-lasting durability. Designed for compatibility with a wide range of 3.5–5 gallon wet/dry vacuums, this 90398 shop vac filter is the perfect solution for keeping your workspace, garage, or home spotless and dust-free. Built with an advanced 3-in-1 HEPA filtration system, this shop vac cartridge filter effectively captures up to 99.97% of airborne particles as small as 0.5 microns. The outer pre-filter layer traps larger debris, while the high-density pleated filter media increases surface area for better airflow and reduced clogging. Combined with a heavy-duty rubber seal for a secure fit, this HEPA shop vac filter replacement ensures consistent performance and protects your vacuum motor from dust damage. Maintenance is simple and hassle-free. This washable and reusable shop vac filter can be easily rinsed with water and reused after drying, helping you save money and reduce waste. To further extend the lifespan, keeping the main 90398 filter replacement cleaner for longer and minimizing the need for frequent replacements. This value-packed set includes 2 × shop vac filters 90398, 2 × foam sleeves 90526,providing everything you need for continuous, high-efficiency cleaning. Whether you're tackling fine dust, construction debris, pet hair, or everyday dirt, this type AA shop vac filter delivers reliable, heavy-duty performance in any environment. Choose a smarter, more efficient way to clean with this shop vac replacement cartridge filter—built for durability, designed for convenience, and trusted for powerful filtration. Keep your vacuum running like new and enjoy cleaner air with every use.