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- JUST ADDED
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- Used Canister Lights and Parts
- Used Chemicals
- Clips - Retractors
- Used Commercial Dive Gear
- Used Compasses
- Used Computers
- Used Dive Tables and Underwater Maps
- Used Diver Tool Kits and Accessories
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- Used Drysuit Accessories
- Used DVDs
- Used Emergency Oxygen Stuff
- Used Speafishing Gear
- Used Gas Sampling Equipment
- Used Gauges and Consoles
- Used Gloves
- Used Hoods
- Used Hoses
- Used Knives
- Used Liftbags
- Used Lights
- Used Mask/Snorkels and Fins
- Used Rebreathers and Accessories
- Used Reels
- Used Regulators
- Used First Stages
- Used Second Stages and Octos
- Used Complete Reg Packages
- Used Regulator Accessories
- Used Reg Repair - Air Fill Stations - Compresso...
- Used Regulator Bags
- Used Safety Items
- Used Stage Bottle Items
- Used Tank Accessories
- Used Travel Bags
- Used Valves and Manifolds
- Used Vintage Diving
- Used Weights & Belts - Systems
- Used Wetsuits
BC/Backplates/Wings
- Backplate and Wings
- Sidemount
- Buoyancy Compensators & Accessories
- Cam Bands
- Public Safety Diving BC's
- BC Hangers
- Wings/BC Parts
- Pockets
Dive Bags
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- Dry Bags
- Travel Bags
- Backpacks
- Duffel Bags
- Personal Organizer/Toiletry Bags
- Aqualung Bags - Lifetime Guaranteed!!!
- Armor Bags
- Snorkeling Bags
Hardware
- Clips & Fittings
- Paracord
- Shock Cord
- Surgical Tubing
- Webbing
- Weights
Knives - Reels - Liftbags
- Dive Reels
- Knives, Shears & Accessories
- Lift Bags/Marker Bags
Lights
- Handheld Main Lights - 800 lumens or Greater
- Handheld Backup Lights - Less Than 800 Lumens
- Strobes/Marker Lights
- Canister Light Accessories
- Canister Lights
- Goodman Handles and Light Accessories
- DIY Canister Light Parts
- Head Lamps
- Light O-Rings
- Dive Light Bulbs
Oxygen Stuff
- Analyzers
- Mixing Whips
- Transfill Whips
- Brass Fittings
- Fill Whip Ends
- Gauges
- Valves
- CGA Fittings
- Check Valves
- Medical Oxygen Fittings
- Filling Adapters
- Booster Pumps and Fittings
- Stainless Steel Mixing Hose
- Argon Transfilling Whips
- Bleeder Valves
- Manifold Blocks
Mask - Snorkel - Fins
- Snorkels
- Fins
- Masks
- Snorkeling Items
Rebreathers & CCR Accessories
- ATS UNILUNG
- Prism 2 Rebreather
- CEJN Fittings
- Oxygen Sensors
- Absorbent
- Dive Rite Optima FX Closed Circuit Rebreather &...
- Counterlung-Offset D-Rings
- Rebreather Chemicals
- Rebreather Valves
- Inline Shut Off Valves
- Rebreather Cylinders
- Butler Nuts
- Rebreather Accessories
- Gas Switch Blocks
Regulators - Computers - Compass - Gauges
- Regulators
- Dive Computers & Accessories
- Gauges, Consoles & Accessories
- Compasses & Mounts
- Hoses
Safety Items
- Slates
- Spare Air
- Strobes
- Whistles
- Throw Bags
- Jon Line Page
- Marker Lights
- Safety Sausages
- Signal Mirrors
- Dive Flags
- First Aid Items
- Underwater Noise Makers
- Marker Buoys
Freediving - Spearfishing
- Freediving Masks
- OMER Spearguns
- JBL Spearguns
- Pole Spears
- Freediving Long Fins
- Speargun Reels
- Spearfishing Camo Suits
- Game Bags
- Spear Tips
- Fish Stringers
- Speargun Floats
- Sea Springs
- Wishbones and Tubing
- OMER Spearfishing Knives
- Spearfishing Tools
- Speargun/Free Diving Bags
Tanks - Valves
- Tanks
- Valves
- Stage Bottle Rigging & Accessories
- Tank Bands
- Bolt Kits and Hardware
- Pony Mounting Systems
- Tank Dust Caps
- Tank Cylinder Nets
- Tank Knobs
Thermal Protection
- Heated Undergarments
- Drysuits and Accessories
- Wetsuits
- Wetsuit Boots
- Gloves
- Hoods
- Hangers
Tools
- Paintball Fillers and Adapters
- BC Tools
- Chemicals
- Tire Inflators
- Assorted Tools
- Lubricants
- O-Ring Picks - Forceps
- Tank Cleaning
- Visual Tank Inspection Items
- Diver Tool Kits
- Air Blowers
- Valve Rebuilding and Repair Tools
- Tank Checkers
- Tool Bags
- Ultrasonic Cleaners and Solutions
- O-Rings
- Save A Dive Kit
- Underwater Tools
- Regulator Rebuilding Equipment
- Test Chambers
Topside Items
- Apparel
- Pirates, ARGH
- Books
- Camera & Video
- All Kinds of Stuff
- Beach Items
Regulator Repair Service

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Categories

Crazy John's Clearance Page
- Closeout Books - Save Big
John's Surplus
- Fire Fighting
- Shooting Accessories
- Rescue and Climbing
- First Aid
- Outdoors and Camping Surplus
- Diving Gear
- Tools
- Commercial Diving Gear
- Apparel
Dive Rite OD Green Gear
Used Gear
- JUST ADDED
- GET THESE HOSES OUT OF HERE SPECIAL PRICES HERE!
- Used Transpacs
- Used Backplate and Wings
- Used Tanks
- Used Backplate Accessories
- Used Inexpensive Bags
- Used Catch and Tool Bags
- Used BCs
- Used Books and Training Manuals
- Used Boots
- Used Cameras and Accessories
- Used Canister Lights and Parts
- Used Chemicals
- Clips - Retractors
- Used Commercial Dive Gear
- Used Compasses
- Used Computers
- Used Dive Tables and Underwater Maps
- Used Diver Tool Kits and Accessories
- Used Dry Cases
- Used Drysuits
- Used Drysuit Undergarments
- Used Drysuit Accessories
- Used DVDs
- Used Emergency Oxygen Stuff
- Used Speafishing Gear
- Used Gas Sampling Equipment
- Used Gauges and Consoles
- Used Gloves
- Used Hoods
- Used Hoses
- Used Knives
- Used Liftbags
- Used Lights
- Used Mask/Snorkels and Fins
- Used Rebreathers and Accessories
- Used Reels
- Used Regulators
- Used First Stages
- Used Second Stages and Octos
- Used Complete Reg Packages
- Used Regulator Accessories
- Used Reg Repair - Air Fill Stations - Compresso...
- Used Regulator Bags
- Used Safety Items
- Used Stage Bottle Items
- Used Tank Accessories
- Used Travel Bags
- Used Valves and Manifolds
- Used Vintage Diving
- Used Weights & Belts - Systems
- Used Wetsuits
BC/Backplates/Wings
- Backplate and Wings
- Sidemount
- Buoyancy Compensators & Accessories
- Cam Bands
- Public Safety Diving BC's
- BC Hangers
- Wings/BC Parts
- Pockets
Dive Bags
- Mesh Backpacks
- Mesh Duffel Bags
- Dry Bags
- Travel Bags
- Backpacks
- Duffel Bags
- Personal Organizer/Toiletry Bags
- Aqualung Bags - Lifetime Guaranteed!!!
- Armor Bags
- Snorkeling Bags
Hardware
- Clips & Fittings
- Paracord
- Shock Cord
- Surgical Tubing
- Webbing
- Weights
Knives - Reels - Liftbags
- Dive Reels
- Knives, Shears & Accessories
- Lift Bags/Marker Bags
Lights
- Handheld Main Lights - 800 lumens or Greater
- Handheld Backup Lights - Less Than 800 Lumens
- Strobes/Marker Lights
- Canister Light Accessories
- Canister Lights
- Goodman Handles and Light Accessories
- DIY Canister Light Parts
- Head Lamps
- Light O-Rings
- Dive Light Bulbs
Oxygen Stuff
- Analyzers
- Mixing Whips
- Transfill Whips
- Brass Fittings
- Fill Whip Ends
- Gauges
- Valves
- CGA Fittings
- Check Valves
- Medical Oxygen Fittings
- Filling Adapters
- Booster Pumps and Fittings
- Stainless Steel Mixing Hose
- Argon Transfilling Whips
- Bleeder Valves
- Manifold Blocks
Mask - Snorkel - Fins
- Snorkels
- Fins
- Masks
- Snorkeling Items
Rebreathers & CCR Accessories
- ATS UNILUNG
- Prism 2 Rebreather
- CEJN Fittings
- Oxygen Sensors
- Absorbent
- Dive Rite Optima FX Closed Circuit Rebreather &...
- Counterlung-Offset D-Rings
- Rebreather Chemicals
- Rebreather Valves
- Inline Shut Off Valves
- Rebreather Cylinders
- Butler Nuts
- Rebreather Accessories
- Gas Switch Blocks
Regulators - Computers - Compass - Gauges
- Regulators
- Dive Computers & Accessories
- Gauges, Consoles & Accessories
- Compasses & Mounts
- Hoses
Safety Items
- Slates
- Spare Air
- Strobes
- Whistles
- Throw Bags
- Jon Line Page
- Marker Lights
- Safety Sausages
- Signal Mirrors
- Dive Flags
- First Aid Items
- Underwater Noise Makers
- Marker Buoys
Freediving - Spearfishing
- Freediving Masks
- OMER Spearguns
- JBL Spearguns
- Pole Spears
- Freediving Long Fins
- Speargun Reels
- Spearfishing Camo Suits
- Game Bags
- Spear Tips
- Fish Stringers
- Speargun Floats
- Sea Springs
- Wishbones and Tubing
- OMER Spearfishing Knives
- Spearfishing Tools
- Speargun/Free Diving Bags
Tanks - Valves
- Tanks
- Valves
- Stage Bottle Rigging & Accessories
- Tank Bands
- Bolt Kits and Hardware
- Pony Mounting Systems
- Tank Dust Caps
- Tank Cylinder Nets
- Tank Knobs
Thermal Protection
- Heated Undergarments
- Drysuits and Accessories
- Wetsuits
- Wetsuit Boots
- Gloves
- Hoods
- Hangers
Tools
- Paintball Fillers and Adapters
- BC Tools
- Chemicals
- Tire Inflators
- Assorted Tools
- Lubricants
- O-Ring Picks - Forceps
- Tank Cleaning
- Visual Tank Inspection Items
- Diver Tool Kits
- Air Blowers
- Valve Rebuilding and Repair Tools
- Tank Checkers
- Tool Bags
- Ultrasonic Cleaners and Solutions
- O-Rings
- Save A Dive Kit
- Underwater Tools
- Regulator Rebuilding Equipment
- Test Chambers
Topside Items
- Apparel
- Pirates, ARGH
- Books
- Camera & Video
- All Kinds of Stuff
- Beach Items
Regulator Repair Service

Home
Regulators - Computers - Compass - Gauges
Regulators
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Poseidon Regulator Service Kits
Extreme First Stage Parts and Service Kits

Extreme First Stage Parts and Service Kits

Poseidon Extreme First Stage Parts

Extreme First Stage Kit
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Blog
We Are Hiring
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Categories

Crazy John's Clearance Page
- Closeout Books - Save Big
John's Surplus
- Fire Fighting
- Shooting Accessories
- Rescue and Climbing
- First Aid
- Outdoors and Camping Surplus
- Diving Gear
- Tools
- Commercial Diving Gear
- Apparel
Dive Rite OD Green Gear
Used Gear
- JUST ADDED
- GET THESE HOSES OUT OF HERE SPECIAL PRICES HERE!
- Used Transpacs
- Used Backplate and Wings
- Used Tanks
- Used Backplate Accessories
- Used Inexpensive Bags
- Used Catch and Tool Bags
- Used BCs
- Used Books and Training Manuals
- Used Boots
- Used Cameras and Accessories
- Used Canister Lights and Parts
- Used Chemicals
- Clips - Retractors
- Used Commercial Dive Gear
- Used Compasses
- Used Computers
- Used Dive Tables and Underwater Maps
- Used Diver Tool Kits and Accessories
- Used Dry Cases
- Used Drysuits
- Used Drysuit Undergarments
- Used Drysuit Accessories
- Used DVDs
- Used Emergency Oxygen Stuff
- Used Speafishing Gear
- Used Gas Sampling Equipment
- Used Gauges and Consoles
- Used Gloves
- Used Hoods
- Used Hoses
- Used Knives
- Used Liftbags
- Used Lights
- Used Mask/Snorkels and Fins
- Used Rebreathers and Accessories
- Used Reels
- Used Regulators
- Used First Stages
- Used Second Stages and Octos
- Used Complete Reg Packages
- Used Regulator Accessories
- Used Reg Repair - Air Fill Stations - Compresso...
- Used Regulator Bags
- Used Safety Items
- Used Stage Bottle Items
- Used Tank Accessories
- Used Travel Bags
- Used Valves and Manifolds
- Used Vintage Diving
- Used Weights & Belts - Systems
- Used Wetsuits
BC/Backplates/Wings
- Backplate and Wings
- Sidemount
- Buoyancy Compensators & Accessories
- Cam Bands
- Public Safety Diving BC's
- BC Hangers
- Wings/BC Parts
- Pockets
Dive Bags
- Mesh Backpacks
- Mesh Duffel Bags
- Dry Bags
- Travel Bags
- Backpacks
- Duffel Bags
- Personal Organizer/Toiletry Bags
- Aqualung Bags - Lifetime Guaranteed!!!
- Armor Bags
- Snorkeling Bags
Hardware
- Clips & Fittings
- Paracord
- Shock Cord
- Surgical Tubing
- Webbing
- Weights
Knives - Reels - Liftbags
- Dive Reels
- Knives, Shears & Accessories
- Lift Bags/Marker Bags
Lights
- Handheld Main Lights - 800 lumens or Greater
- Handheld Backup Lights - Less Than 800 Lumens
- Strobes/Marker Lights
- Canister Light Accessories
- Canister Lights
- Goodman Handles and Light Accessories
- DIY Canister Light Parts
- Head Lamps
- Light O-Rings
- Dive Light Bulbs
Oxygen Stuff
- Analyzers
- Mixing Whips
- Transfill Whips
- Brass Fittings
- Fill Whip Ends
- Gauges
- Valves
- CGA Fittings
- Check Valves
- Medical Oxygen Fittings
- Filling Adapters
- Booster Pumps and Fittings
- Stainless Steel Mixing Hose
- Argon Transfilling Whips
- Bleeder Valves
- Manifold Blocks
Mask - Snorkel - Fins
- Snorkels
- Fins
- Masks
- Snorkeling Items
Rebreathers & CCR Accessories
- ATS UNILUNG
- Prism 2 Rebreather
- CEJN Fittings
- Oxygen Sensors
- Absorbent
- Dive Rite Optima FX Closed Circuit Rebreather &...
- Counterlung-Offset D-Rings
- Rebreather Chemicals
- Rebreather Valves
- Inline Shut Off Valves
- Rebreather Cylinders
- Butler Nuts
- Rebreather Accessories
- Gas Switch Blocks
Regulators - Computers - Compass - Gauges
- Regulators
- Dive Computers & Accessories
- Gauges, Consoles & Accessories
- Compasses & Mounts
- Hoses
Safety Items
- Slates
- Spare Air
- Strobes
- Whistles
- Throw Bags
- Jon Line Page
- Marker Lights
- Safety Sausages
- Signal Mirrors
- Dive Flags
- First Aid Items
- Underwater Noise Makers
- Marker Buoys
Freediving - Spearfishing
- Freediving Masks
- OMER Spearguns
- JBL Spearguns
- Pole Spears
- Freediving Long Fins
- Speargun Reels
- Spearfishing Camo Suits
- Game Bags
- Spear Tips
- Fish Stringers
- Speargun Floats
- Sea Springs
- Wishbones and Tubing
- OMER Spearfishing Knives
- Spearfishing Tools
- Speargun/Free Diving Bags
Tanks - Valves
- Tanks
- Valves
- Stage Bottle Rigging & Accessories
- Tank Bands
- Bolt Kits and Hardware
- Pony Mounting Systems
- Tank Dust Caps
- Tank Cylinder Nets
- Tank Knobs
Thermal Protection
- Heated Undergarments
- Drysuits and Accessories
- Wetsuits
- Wetsuit Boots
- Gloves
- Hoods
- Hangers
Tools
- Paintball Fillers and Adapters
- BC Tools
- Chemicals
- Tire Inflators
- Assorted Tools
- Lubricants
- O-Ring Picks - Forceps
- Tank Cleaning
- Visual Tank Inspection Items
- Diver Tool Kits
- Air Blowers
- Valve Rebuilding and Repair Tools
- Tank Checkers
- Tool Bags
- Ultrasonic Cleaners and Solutions
- O-Rings
- Save A Dive Kit
- Underwater Tools
- Regulator Rebuilding Equipment
- Test Chambers
Topside Items
- Apparel
- Pirates, ARGH
- Books
- Camera & Video
- All Kinds of Stuff
- Beach Items
Regulator Repair Service

Brands

Used
Fourth Element
Dive Rite
XS Scuba
Akona
Oxycheq
Surplus
Zeagle
UW Light Dude
Highland
View all brands

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