Check the listing for details. OTS Spectrum Full Face Mask. Condition: New. Listed at 618.00 USD. Use with your own regulator eliminating the heavy cost associated with standard FFMs, without sacrificing luxury Includes:· Spectrum Ambient Breathing Valve The Spectrum Full Face Mask provides a simple method to adapt your own regulator to the mask by eliminating the bite down mouthpiece and tying your own reg in with the rest of the FFM. This allows for some of the best features of the other Full Face Masks : no jaw fatigue, no dry mouth, double seal for a better fit, five point head harness and clear communications. Fits most 2nd stage regulators Comfortable double seal Eliminates jaw fatigue and dry mouth Keeps face dry and warm Hypoallergenic silicone skirt Easy to equalize Wide field of vision Allows for underwater communications Compatible with many accessories Coated Tempered Saftety Glass Visor OTS Spectrum Full-Face Mask is tested to a maximum diving depth of 50m according to EN 250:2014** OTS Spectrum Full-Face Mask is designed for water temperatures below 10°C and is suitable for cold-water diving applications. Ultimately, cold water performance is dictated by 2nd stage regulator being used. OTS Spectrum Full-Face Mask is tested for diving applications with breathing air according to EN12021. OTS Spectrum Full-Face Mask has been tested according to the European standard EN 250:2014**