Save big and reduce your operating costs by purchasing these 12 high filtration synthetic filter media bags for Titan upright vacuum models T3000, T4000, T4000.2 & T6000 commercial. These high filtration bags reduce dust and other allergens compared to paper bags. The 3-ply synthetic filter media offers a savings to original certified HEPA bags where there is no need for the extra cost or filtration. While still offering better durability and better airflow.