Perforated inner steel core tube prevents element collapse during pressure spikes.
Because many manufacturers produce identical filters under different part numbers, you can find equivalent models from other major brands. glf41472
[Inflow: Unfiltered Fluid] │ ▼ ┌─────────────────────────────────┐ │ Outer Protective Mesh Support │ ◄── Structural integrity against surge pressures ├─────────────────────────────────┤ │ Primary Micro-glass Media Layer │ ◄── High-efficiency particulate capture ├─────────────────────────────────┤ │ Secondary Support / Core Tube │ ◄── Prevents element collapse under high ΔP └─────────────────────────────────┘ │ ▼ [Outflow: Purified Fluid] Perforated inner steel core tube prevents element collapse