1. Your crew gets a FREE OPITO Approved Basic Hydrogen Sulphide (BH2S) when they take any course that falls under BOSIET, FOET, and HUET.
2. The FREE BH2S course must be taken with BOSIETT/FOET/HUET course.
3. When emailing to CTSI’s reservation team, user promo code: FREE BH2S to avail of the promo.
4. It is non-transferable and non-convertible into cash.
