Use the original manufacturer or supplier label to identify a part. A similar-looking component, abbreviated number, or product name does not establish an exact replacement.
Verify the exact identity
- Record the manufacturer, equipment model, complete SKU or part number, and every prefix, suffix, revision, voltage, connection, material, flow, or configuration marking shown on the label.
- Compare the whole identifier to the listed offer. Do not omit a suffix or use a model name alone as a part-number match.
- Separate a complete assembly, service component, accessory, and reference document before selecting an offer.
- Check the applicable manufacturer manual and the equipment documentation independently for compatibility. This catalog guide does not establish fitment.
Order the documented selling unit
Order the complete supplier selling unit shown with the offer, such as a single, case, pack, kit, or assembly. Do not assume an item can be broken from a case or that related components are included.
Service and chemicals
Before servicing equipment or handling chemicals, review the manufacturer manual and the applicable safety data sheet (SDS). This guide does not provide technical service, chemical-selection, or dosage instructions.
Example catalog identifiers
These links lead to the exact final product or reference records for documented source offers; they are examples, not compatibility claims.
- 703149983 — 703149983 DuPont/Dow FilmTec NF90-4040 Nanofiltration Membrane
- 703149982 — 703149982 DuPont/Dow FilmTec NF90-2540 Nanofiltration Membrane
- 703149987 — 703149987 DuPont/Dow FilmTec NF270-4040 Nanofiltration Membrane
Ordering and support
Ships from our supplier. Availability is confirmed after ordering; payment is authorized first and captured after confirmation. This process does not promise stock, a technical outcome, or a delivery date. For help, send the complete label details through fitment help.
Related catalog links
Shop all parts · Part references · Shipping & ordering
Sources reviewed
Based on the October 2026 supplier assortment records. Applicable manufacturer manuals and SDS control technical and safety information.