In addition to the previous sizes, the X TYPE is available in 2 NEW SIZES to fit Apeks, Poseidon and many rebreathers.

nSeaCure is a unique, moldable mouthpiece designed to precisely fit the individual diver's mouth, teeth, gums and jaw configuration to provide maximum support of a regulator and, thus, eliminate jaw fatigue. The professional as well as the recreational diver will find SeaCure to be extremely well suited for all types of diving conditions. SeaCure I- fits standard orifice regulators (size 1-1/4" x 3/4") APOLLO AQUA LUNG- older metal regulators ATOMIC - manufactured pre 2005 only BEUCHAT Evolution, Iceberg u0026 Nitrox, VXT8, VXT Octo, VX4, VX80 CRESSI-SUB (except Ellipse uses a Professional II) DACOR - after 1992 IST (except Proline is a II) OCEAN MASTER PRO SUB (Avalon) SCUBA PRO (except A700, C200, C300 use a II) SEAC SHERWOOD (most early models/Brut/Shadow/MagnumII/Oasis/pre 1992 Blizzard) SPARE AIR SUBGEAR TABATA/TUSA (not TUSA Imprix) SeaCure II - fits intermediate size orifice regulators (size 1-7/16" x 7/8") AERIS AQUA LUNG newer, including Titan, Legend, Kronos ATOMIC - must measure or try on, pre 2005 use a I, newer,larger orifice a II BEUCHAT VS3, VS4, VS8, VX10 DACOR Viper + Eagle DIVE RITE, including O2ptima rebreather, but not the Jet Stream 4500 EPIC EDGE + HOG FORTE GENESIS HALCYON REBREATHER INNERSPACE Megalodon rebreather MARES-newer models (but not MARES MR-12-II, III, IV or V) OCEAN EDGE OCEAN REEF OCEANIC (cannot fit Zeta) ODYSSEY SCUBA MAX SCUBAPRO C200, C300, A700 SEA ELITE SHERWOOD (Maximus,Oasis, 2/92 and newer Blizzard, SR1) SPORASUB TIGULLIO TILOS XS SCUBA (previously IDI, Osprey is a I) ZEAGLE (may be snug) NEW - Specialty Sizes SeaCure IV - fits APEKS regulators SeaCure V - fits POSEIDON and most REBREATHERS