Sample Request-Free Product Evaluation

To support global researchers in their experiments, we are offering free samples of filtration products for technical testing.

Activity Period : April 1 – May 31, 2026

Details :

  • Available products: Centrifugal Filter, PVDF Transfer Membrane, Multi‑well Filter Plate
  • Limit one pack per customer

Shipping policy:

  • Ships from our warehouse in China (15–18 Business Days).
  • Shipping cost varies by country & type of samples.

Shipping Cost Example (USA): Centrifugal Filter $9 / transfer membrane $7/ Multi-well filter $31.

We'll email you the exact shipping cost for approval before we ship – no surprise charges.


Fill out the form below to receive a sample. (*required field)

Samples are for evaluation purposes only; not for resale.
By submitting this form, you agree to our Privacy Policy and to receive occasional product updates.
Cobetter reserves the right of final interpretation for this program.