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FILTER-SETStage filter set for APEC RO systems — stage order and micron ratings matter; do not shuffle stages.
| Field | Value |
|---|---|
| Brand | APEC |
| SKU | FILTER-SET |
| Role | RO stage filter set |
| Often confused with | MEM-75, ROES-50-SET |
| Hard stop | Stage 1/2/3 positions are not interchangeable |
| Confirm | APEC model (e.g. ROES) and set diagram |
| Interval | Typically 6–12 months by stage — follow APEC sheet |
Stage 1/2/3 positions are not interchangeable