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The B5200-PRE is the replacement prefilter for the B5200 SureAir PCR Workstation — sold at $55 ($280 less than the main HEPA at $335). The prefilter is the first-stage filtration component that captures larger particulate before it reaches the main HEPA filter — extending main-HEPA service life by catching the bulky particles that would otherwise load the more-expensive HEPA prematurely.
For full chemistry rationale (HEPA / prefilter replacement cycle, filtration system design), see the B5200-FIL (main HEPA filter) parent page.
| SKU | B5200-PRE |
| Type | Replacement prefilter for SureAir PCR Workstation |
| Compatible chassis | B5200 (Benchmark SureAir PCR Workstation) |
| Replacement cycle | More frequent than main HEPA — typically 3–6 month intervals depending on facility air quality |
| Sister accessory | B5200-FIL (replacement main HEPA filter, $335) — replaces less frequently (1–3 year intervals) |
| List price | $55 |
| Filter | Replacement cycle | Per-replacement cost |
| Main HEPA (B5200-FIL) | 1–3 years | $335 |
| Prefilter (B5200-PRE, this product) | 3–6 months | $55 |
The prefilter does the heavy filtering work — replaced 4–8× more frequently than the main HEPA but at ~16% the cost. This protective-filter strategy maximizes main-HEPA service life by catching the heavy-particulate load before it reaches the expensive main filter.
Replacement strategy:
Skipping prefilter replacement compromises main-HEPA service life — false economy.
Pair with B5200 chassis. The prefilter is workflow-incomplete without a chassis.
Plan ongoing inventory. Maintain prefilter pack inventory at facility scale (more-frequent replacement cycle benefits from in-house spare inventory).
Confirm at quote: chassis pairing, replacement-cycle plan, and lead time.
Warranty: Per Benchmark Scientific standard consumable terms.
SureAir filter family:
- B5200-FIL — Main HEPA filter ($335) — 1–3 year replacement cycle
- B5200-PRE (this product) — Prefilter ($55) — 3–6 month replacement cycle
Pick the prefilter for routine first-stage filter replacement; sister main HEPA replaces less frequently. See B5200-FIL anchor for full filter-family rationale and B5200 anchor for full SureAir workflow detail.
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