- 14 ga. Galvanized steel frame for corrosion resistance and rigidity
- Four spring-loaded swing-arm assemblies compress filter gasket for leak-tight seal
- Flat smooth-finished gasket sealing surface is backed by a rigid standing flange
- Pre-punched holes facilitate field assembly of built-up filter banks
- Swing-arm retainers position filter properly in frame
- Optional prefilter frame assembly available for direct attachment to swing-arm
