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SeaCure Mouthpiece Size Chart

Blue SeaCure Custom Mouthpiece

SeaCure 1

Fits regulator size 1-1/8” x 1/2” or 2.86 cm x 1.27 cm

Apollo
Aqua Lung
older metal regulators, Conshelf 7 through 21 (snug fit)
Atomic
manufactured pre-2005 only
Beuchat
Evolution, Iceberg, Nitrox, VXT8, VXT Octo, VX4, VX80
Cressi 
XS Compact (snug fit)
Dacor
Pacer Aero (snug fit), post-1992
IST except Proline is a 2
NEX Monterey
Ocean Master
Pro Sub Avalon
SCUBAPRO
S600, S360, S560, R095, R295, R395, and all models before the A700
SEAC
Sherwood
most early models – Brut, Shadow, Magnum II, pre-1992 Blizzard and Oasis
Spare Air
SUBGEAR
SG100, SG500, SG1000, Aruba, Bonaire, Cayman
Tabata/Tusa
not TUSA Imprix

Available in black, blue, clear, pink, and silver.

Silver SeaCure Mouthpiece

SeaCure 2

Fits regulator size 1-3/16” x 5/8” or 3.02 cm x 1.59 cm

Aeris
Aqua Lung
Calypso, Core, Helix, Kronos, Legend, Mikron, Titan (Titan LX is a 4)
Atomic
manufactured post-2005, Z2, Z3, B2, T2X, T3, M1, ST1, TFX
Beuchat
VS3, VS4, VS8, VX10
Cressi
Ellipse, Master Cromo
Dacor
Viper and Eagle
Deep 6 Signature Series
DGX Gears D6
Dive Rite
including O2ptima rebreather, but not the Jet Stream 4500
Edge
Hog and Epic
Forte
Genesis
Halcyon
rebreather and regulators
Hollis
regulators (except 500SE is a 4)
IDI Regulators
no longer in business (all but Osprey which is a size 1)
Mares
not MARES MR-12-II, III, IV or V
Ocean Edge
Ocean Reef
Oceanic
including the Alpha 10 (cannot fit Alpha 9 or Omega 3)
Odyssey
Scuba Max
SCUBAPRO
A700, C200, C300, C350, C370, G250, G260, R195, S270, S620Ti, D420
Sea Elite
Sherwood
9000 Series, Maximus, SR1, SR2, 1992 and newer Blizzard and Oasis
Sporasub
SUBGEAR
SG10, SG30, SG50
Tigullio
Tilos
XS Scuba

Inspire and Brawn (Tested at Manufacturer)
Zeagle F8

Available in black, blue, clear, pink, and silver.

Pink SeaCure Custom Mouthpiece

SeaCure 3

Same diameter as a Size 1 with double retention ribbing. These regulators do not have the conventional retention lip on the mouthpiece orifice common to all other regulators and therefore no other SeaCure model should be used.

Aqua Lung
older plastic regulators including Micra
Aquatec

Available in black, blue, clear, pink, and silver.

Clear SeaCure Mouthpiece

SeaCure 4

Fits regulator size 1-5/16″ x 11/16″ or 3.33 cm x 1.75 cm

Apeks
Aqua Lung Titan LX
DGX Gears XTRA
Hollis 500SE
Zeagle regulators (except F8 is a 2)
Many Rebreathers, including Golem Shrimp BOV, Hollis Prism and Explorer, Innerspace Megalodon, Kiss Gem, and Titan (size 2 may be a snug fit)

Available in black, blue, clear, pink, and silver.

Blue SeaCure Mouthpiece with Attachment

SeaCure 5

Fits regulator size 1-7/16″ x 13/16″ or 3.65 cm x 2.06 cm

Poseidon regulators
Poseidon SE7EN CCR
Poseidon VI CCR
Divesoft BOV (snug fit)

Available in black, blue, clear, pink, and silver.

Black SeaCure Custom Mouthpiece

Snorkels

Fits many removable mouthpiece snorkels on the market

Size 1 – Amico, Coral, Cressi-Sub, Dacor, Dive Buddy, Netex, Oceanic, Reef Buddy, SeaQuest

Size 2 – Chiaro, H2Odyssey, IDI, Parkway, Pic, Technisub

Size 3 – Aqua Lung Impulse, Kapitol Reef, SeaVision

NOTE: If not sure of the correct size, simply measure the edge of the opening of the regulator, rebreather, or snorkel (not including the outer lip), as in the diagram, top to bottom and side to side, and compare to the above measurements.

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