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Case Study: Air Filter Supply for a regional distributor in Europe

Source:Case / Time:2026-09-18

Air Filter for A regional distributor in Europe

A regional distributor came to us with a air filter programme for Europe. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • A specification nobody had written down
  • Reorders that did not match the approved sample
  • A fitment that looked right on paper and failed on the bench

Air Filter case study

What was specified

PartAir Filter
ClientA regional distributor
MarketEurope
Volume20,000 pieces across 3 specifications
Base materialSilicone
Sampling rounds3
Delivery window5 weeks from PO to ex-factory
ComplianceREACH

How it was resolved

  1. The specification was rebuilt around Silicone and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Air Filter production run

Result

  • 20,000 pieces delivered inside the 5-week window.
  • Unit cost held within 3.0% of the original quotation.
  • Inspection-related rejection stayed under 2.0%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Lock the material standard before sampling. Once the base changes, every downstream approval has to be redone and the calendar slips.

Planning something similar?

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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