Serum tubes are coated with micronized silica particles which activate clotting when tubes are gently inverted. Gel seperator tubes provides a gel barrier that will form a stable barrier during centrifugation.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Ayesha M.
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
Fatima A.
Best international shipping I've ever tried. Worth every penny!