Procurement guide
Activated carbon cabin air filter interface and file review
- Purpose
- Resolve this category’s open purchasing questions on carbon layers, housing envelope and test documents.
Distinguish requested specifications from verified supplier declarations. This page does not record ESG, carbon-neutral or circular-economy claims for Cabinvale Sourcing.
Specification Review decision points
Requested parameters
State overall length, width and thickness in millimetres, airflow arrow, frame and seal-edge type, carbon-layer description (location in the stack, not a marketing nickname) and packing unit. Units must appear on the RFQ so quotes stay comparable.
Supplier response
Ask the supplier to identify model, revision and deviations, including whether charcoal media is a full carbon-loaded sheet or a thin coating. Request the test method name, conditions and the exact part covered by any efficiency or odor-adsorption file.
Evidence scope
Match drawings and test documents to the actual part and legal entity on the quotation. A family catalog, a workshop poster or an unrelated HEPA label does not cover this SKU. Pressure-drop figures without test airflow are incomplete.
Unresolved points
Record missing information before approving a sample or production order. New versus remanufactured condition, kit versus two-piece stack, and sample-versus-batch acceptance stay listed until the supplier writes them down.
When two carbon constructions are offered, ask each plant for overall millimetre envelope, seal-edge type, declared carbon-layer position, the test method and airflow used for any pressure-drop figure, and whether the document names this SKU or a family. Missing files stay open; they are not replaced with a percentage savings story or a borrowed workshop poster.
Return to catalog options or send the open file list.