SNAP-RING®Sewn Construction Filter Bags For over 30 years, Eaton SNAP-RING filter bags have been critical components of filtration systems worldwide. The wide range of media materials, affordable price and reliability of construction have made them the ideal choice for applications in nearly all process industries. SNAP-RING filter bags are available in thousands of different combinations of size, media material, micron rating, and ring material. SNAP-RING Filter Bags are designed and constructed to fit all Eaton housings and standard housings from most other manufacturers. Special designs are available to fit many nonstandard housings as well.