Deposit for SDI Sidemount Course for the month of September. 
With this Promo recieve online theory and certification Free with SDI. Just pay for your training for the course. Includes equipment rental and test out various setups (hollis sms 100, 75 and 50 and the Razor) to find which one works for you. Or bring your own equipment if you already have it. 
Special Price $400usd
Normal Price $475usd saving $75usd