Size One: Fits standard orifice regulators (size 1-1/8” x 1/2”)
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-Sub
XS Compact (snug fit), Ellipse is a 2
Dacor
Pacer Aero (snug fit), post-1992
IST
except Proline is a 2
Ocean Master
Pro Sub
Avalon
SCUBAPRO - S600, S360, S560, R095, and all models before the A700
SEAC
Sherwood - most early models – Brut, Shadow, Magnum II, pre-1992 Blizzard and Oasis
Spare Air
Subgear - “R” series and Cayman
Tabata/Tusa - not TUSA Imprix
Size Three: Fits standard orifice regulators (size 1-1/8” x 1/2”) 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
Size Two: Fits regulator size 1-3/16” x 5/8” or 3.02 cm x 1.59 cm
Aeris
Aqua Lung -Calypso, Core, Titan (Titan LX is a 4), Legend, Kronos, and Mikron
Atomic -manufactured post-2005, Z2, Z3, B2, T2X, T3, M1, ST1
Beuchat -VS3, VS4, VS8, VX10
Dacor -Viper and Eagle
Deep 6
Signature Series
Dive Rite -including O2ptima rebreather, but not the Jet Stream 4500
Edge
Hog and Epic
Forte
Genesis
Halcyon -rebreather and regulators
Hollis- 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, C-series, C350, C370, G250, G260, R195, S620Ti
Sea Elite
Sherwood - 9000 Series, Maximus, SR1, 1992 and newer Blizzard and Oasis
Sporasub
SUBGEAR - SG50, SG30, SG10, Aruba, and Bonaire
Tigullio
Tilos
XS Scuba
Inspire and Brawn (Tested at Manufacturer)
Zeagle F8
Size Four: Fits regulator size 1-5/16″ x 11/16″ or 3.33 cm x 1.75 cm
Aqua Lung Titan LX
APEKS
Hollis 500SE
Sherwood SR2
Zeagle regulators (except F8 is a 2)
and many rebreathers including;
Golem Shrimp BOV
Hollis Prism and Explorer
Innerspace Megalodon
Kiss Gem
Titan (size 2 may be a snug fit)
Size Five: Fits regulator size 1-7/16″ x 13/16″ or 3.65 cm x 2.06 cm
Poseidon regulators
Poseiden SE7EN CCR
Poseidon VI CCR
Divesoft BOV (snug fit)
