Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Helix Technologies Used Lab Equipment ← View details Exeter Castle, Castle Street, Exeter, Devon EX4 3PU, United Kingdom, Exeter, England