How to equalize in a Full Face Mask (OTS Guardian FFM and Spectrum FFM)

One of the most commonly asked questions we get asked is, "How do you equalize in a Full Face Mask?". The answer : The OTS Guardian Full Face Mask utilizes an equalizing block or "V" Block to block off the diver's nostrils in order to clear the diver's ears, while the OTS Spectrum FFM allows a diver to physically reach in and pinch their nostrils. Have questions or would like more information about our products? Check out our website : www.otscomm.com Shoot us an email : [email protected] Give us a call : 1 800 550-1984 Follow our socials for new content every day! Instagram :   / oceantechnologysystems   Facebook :   / otscommunications