Regulators
The word scuba is short for self contained underwater breathing apparatus, and these initials were first formed in 1939 in the US Navy and referred to that of the US military diver’s rebreather sets. Just like radar, the acronym is so common that it is not capitalized and is instead thought of as being an ordinary word.
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Mares Abyss 42 Regulator | ![]() |
0 Bid | US $425.00 | 3h 30m |
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Scubapro Air 2 Regulator | ![]() |
1 Bid | US $40.00 | 6h 52m |
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^ Regulator, Sealed Diaphragm With Adjustable 2nd Stage | ![]() |
0 Bid | US $199.99 | 8h 40m |
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POSEIDON SCUBA CYKLON 5000 2ND STAGE METAL REGULATOR | ![]() |
6 Bids | US $183.49 | 9h 6m |
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OMS Workhorse O2 Compatible Deco Regulator | ![]() |
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US $125.00 | 9h 15m |
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Mares Epos V16 Regulator setup | ![]() |
3 Bids | US $102.50 | 9h 24m |
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Poseidon Jetstream/Odin Scuba Regulator & Matching Octo | ![]() |
6 Bids | US $162.50 | 9h 48m |
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APEKS AT20 1ST & 2ND STAGE | ![]() |
11 Bids | US $50.00 | 9h 51m |
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SCUBAPRO MK10/G250 SCUBA REGULATOR **L@@K** | ![]() |
7 Bids | US $77.00 | 9h 51m |
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OCEAN DYNAMICS REGULATOR AND SCUBA DIVING GAUGE-DUEL | ![]() |
0 Bid | US $9.99 | 10h 15m |
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OCEAN DYNAMICS REGULATOR AND SCUBA DIVING GAUGE-DUEL | ![]() |
2 Bids | US $5.50 | 10h 17m |
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OCEAN DYNAMICS SCUBA DIVERS BCD -LARGE | ![]() |
2 Bids | US $7.50 | 10h 32m |
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Poseidon Yoke to DIN Adapter | ![]() |
1 Bid | US $10.00 | 10h 37m |
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Mares V42 Proton Metal Regulator W/PROTON YL OCTOPUS | ![]() |
1 Bid | US $200.00 | 10h 43m |
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SHERWOOD CLASSIC II REGULATOR | ![]() |
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US $77.00 | 10h 52m |
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Low Pressure Regulator Hoses | ![]() |
1 Bid | US $10.00 | 10h 58m |
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Aquatec Mark II regulator with Dive Rite guage | ![]() |
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US $275.00 | 11h 5m |
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5ft WATER SPORTS SCUBA DIVING YELLOW WEIGHT BELT | ![]() |
0 Bid | US $9.98 | 11h 11m |
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US Divers Conshelf 20 Supreme Octopus w/ Gauges | ![]() |
6 Bids | US $86.00 | 11h 38m |
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POSEIDON SCUBA REGULATOR + FREE REPAIR/REBUILD MANUALS | ![]() |
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US $105.00 | 11h 48m |
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Dacor Pacer XL Regulator w/ Gauges & Inflator Hose | ![]() |
0 Bid | US $29.99 | 12h 6m |
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Apex TX40 Scunto Regulator Set | ![]() |
0 Bid | US $135.00 | 12h 26m |
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Oceanic GT3 | ![]() |
0 Bid | US $100.00 | 12h 34m |
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POSEIDON ODEN JETSTREAM 2ND STAGE REGULATOR EXC.COND | ![]() |
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US $100.00 | 13h 23m |
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Scuba Diving Dive SCUBAPRO D 350 regulator D350 reg Pro | ![]() |
2 Bids | US $10.50 | 13h 26m |
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Seatec Diving Vest NO RESERVE!!! | ![]() |
0 Bid | US $.99 | 13h 33m |
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PRO EAR PROTECTION SCUBA DIVING DIVER GEAR MASK | ![]() |
0 Bid | US $56.98 | 13h 56m |
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Slightly Used Atomic B1 T2 Regulator w Oceanic Backup | ![]() |
4 Bids | US $204.50 | 13h 59m |
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Mares Proton She Dives Regulator | ![]() |
9 Bids | US $108.50 | 14h 25m |
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Mares Octopus | ![]() |
5 Bids | US $31.00 | 14h 29m |
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5ft WATER SPORTS SCUBA DIVING YELLOW WEIGHT BELT | ![]() |
0 Bid | US $9.98 | 14h 31m |
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Dacor Pacer XL - 2nd Stage Regulator | ![]() |
0 Bid | US $10.00 | 14h 36m |
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Vintage AQUA-LUNG Jet-Air Double-Hose Regulator | ![]() |
7 Bids | US $200.00 | 14h 40m |
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CLASSIC COMMERCIAL FULL FACE SCUBA DIVING MASK RUBBER | ![]() |
0 Bid | US $75.98 | 15h 18m |
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Atomic Aquatics Z2 Regulator w Aqualung ABS Octopus | ![]() |
0 Bid | US $400.00 | 15h 21m |
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Aqualung Legend LX ACD Regulator SILVER RING! NOT GOLD! | ![]() |
1 Bid | US $399.99 | 16h 23m |
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Aqualung Legend LX ACD Regulator SILVER RING!! NOT GOLD | ![]() |
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US $499.99 | 16h 24m |
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Dacor Extreme Plus Dive Regulator - New in the Box MINT | ![]() |
5 Bids | US $51.00 | 16h 33m |
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OCEANIC DELTA SCUBA DIVING REGULATOR SET W/ GAUGES ~!! | ![]() |
21 Bids | US $123.50 | 16h 40m |
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Scuba Diving Necklace, Jewelry Regulator Fins Mask BCD | ![]() |
0 Bid | US $9.99 | 16h 50m |
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OCTOPUS SCUBA DIVE REGULATOR W/ AMF SWINMASTER GAUGES | ![]() |
2 Bids | US $15.50 | 16h 51m |
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Scuba Diving Necklace Jewelry Regulator Fins Mask Knife | ![]() |
0 Bid | US $9.99 | 16h 58m |
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Genesis Regulator & Octopus Set | ![]() |
0 Bid | US $59.00 | 17h 4m |
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SCUBA Regulator MK25 S600 w/ Smart Com UWATEC ScubaPro | ![]() |
28 Bids | US $618.12 | 17h 6m |
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Scubapro G250 Regulator | 9 Bids | US $76.00 | 17h 33m |
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Vintage Scuba Regulator Dart Dacor | ![]() |
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US $44.88 | 17h 53m |
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Scuba - Dacor Pacer 2nd Stage Regulator | ![]() |
8 Bids | US $24.50 | 17h 54m |
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Poseidon Jetstream Regulator - just overhauled | ![]() |
2 Bids | US $102.50 | 18h 44m |
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Poseidon Cyclon Regulator | ![]() |
5 Bids | US $150.99 | 18h 50m |
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OMS Ardon Drysuit Inflation Regulator | ![]() |
0 Bid | US $40.00 | 18h 55m |
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Scuba Diving - US Divers Aqua Lung Cousteau BCD | ![]() |
0 Bid | US $40.00 | 18h 57m |
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Oceanic Diaphragm 1st stage | ![]() |
1 Bid | US $20.00 | 18h 59m |
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Poseidon Scuba Dive Regulator Setup NR | ![]() |
5 Bids | US $15.50 | 19h 1m |
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Regulator, BCD, Computer, Wet Suit | ![]() |
0 Bid | US $600.00 | 19h 4m |
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Scubapro Air 2 Octopus/Inflator w/ QD Hose | ![]() |
3 Bids | US $51.50 | 19h 9m |
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Sherwood Scuba Dive Regulator w/ Console NR | ![]() |
11 Bids | US $27.00 | 19h 10m |
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Dive Rite RG2000 Regulator w/Ice Kit | ![]() |
0 Bid | US $150.00 | 19h 22m |
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Aqualung Legend LX ACD | ![]() |
5 Bids | US $233.50 | 20h 57m |
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Oceanic Scuba Dive Regulator BRAND NEW Apha 8 PX3 Low $ | ![]() |
1 Bid | US $149.99 | 23h 40m |
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Scuba Dive Regulator Apeks Egress Oct New Low Price | ![]() |
1 Bid | US $89.99 | 23h 40m |
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Sherwood 5000 Valve Scuba Tank Service parts QTY 10 | ![]() |
0 Bid | US $22.99 | 23h 40m |
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Ultrabreathe - the Breath Building Tool for Divers! | ![]() |
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US $31.64 | 1d 3h 27m |
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Scuba diving regulator Dacor Eagle 2nd stage octopus | ![]() |
0 Bid | US $54.27 | 1d 4h 42m |
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Scuba Diving Regulator Gauge Hose Mouthpiece Aqua Lung | ![]() |
8 Bids | US $26.50 | 16h 6m |
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APEKS ATX50 DIVE REGULATOR W/COBRA COMPUTER +BAG, USED | ![]() |
0 Bid | US $499.00 | 1d 7h 10m |
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Dacor Extreme Plus Fresh Water Only Less Than 25 Dives | ![]() |
0 Bid | US $125.00 | 1d 7h 52m |
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MARES V16 FIRST STAGE REGULATOR | ![]() |
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US $55.00 | 1d 9h 30m |
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NEW POSEIDON OMNI-SWIVEL FITTING | ![]() |
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US $63.00 | 1d 9h 31m |
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Scubapro Air 2 Quick Disconnect Fitting and LP Hose | ![]() |
1 Bid | US $24.00 | 1d 9h 34m |
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SHERWOOD BRUT SCUBA DIVING REGULATOR OCTOPUS CONSOLE | ![]() |
1 Bid | US $69.95 | 1d 9h 47m |
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Scubapro Titanium Regulator | ![]() |
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US $900.00 | 1d 9h 51m |
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DACOR MICRO BRAIN SCUBA DIVE COMPUTER | ![]() |
0 Bid | US $40.00 | 1d 9h 56m |
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NEW Dacor Pacer Aero 360-H, 1st & 2nd Stage, Regulator | ![]() |
5 Bids | US $11.50 | 1d 10h 4m |
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Surface supplied manifold regulator block for scuba | ![]() |
0 Bid | US $29.99 | 1d 11h 6m |
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Scuba Pro MK 2 with a 108 Second Stage | ![]() |
0 Bid | US $49.99 | 1d 11h 6m |
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Scuba Pro MK 2 R190 Scuba Regulator | ![]() |
0 Bid | US $149.99 | 1d 11h 7m |
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Apex First Stage and Regulator Hose | ![]() |
0 Bid | US $129.99 | 1d 11h 15m |
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Sherwood SRB533 Magnum Regulator | ![]() |
0 Bid | US $199.99 | 1d 11h 20m |
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DACOR Pacer AERO Second Stage Regulator | ![]() |
0 Bid | US $19.99 | 1d 11h 23m |
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DACOR Pacer AERO Second Stage Regulator - Yellow | ![]() |
0 Bid | US $19.99 | 1d 11h 25m |
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36" LOW PRESSURE OCTOPUS HOSE W/ IN LINE AIR NOZZLE | ![]() |
0 Bid | US $38.98 | 1d 11h 28m |
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SCUBA PRO MK5/109 Circa 1965-77 | ![]() |
0 Bid | US $49.99 | 1d 11h 31m |
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Dacor PACER XL Second Stage | ![]() |
0 Bid | US $29.99 | 1d 11h 35m |
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Yellow SE Octo Second Stage | ![]() |
0 Bid | US $49.99 | 1d 11h 38m |
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Scubapro MK17/X650 Regulator | ![]() |
0 Bid | US $219.99 | 1d 11h 40m |
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U. S. Divers Aqua Lung Octopus Regulator | ![]() |
0 Bid | US $26.00 | 1d 11h 40m |
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ScubaPro MK10 Regulator w 6200 B Breather + GaugesScuba | ![]() |
0 Bid | US $44.00 | 1d 11h 40m |
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Mares Beta Regulator Set | ![]() |
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US $350.00 | 1d 11h 40m |
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NEW Scubapro Octopus Holder | ![]() |
0 Bid | US $.99 | 1d 12h 56m |
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NEW OMS Silicone Regulator Necklace - Halcyon Scubapro | ![]() |
1 Bid | US $4.99 | 1d 14h 17m |
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MARES MR22 ABYSS WITH DFC FIRST STAGE REGULATOR | ![]() |
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US $75.00 | 1d 14h 29m |
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Poseidon Odin first stage regulator | ![]() |
0 Bid | US $49.00 | 1d 15h 35m |
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Poseidon Odin first stage regulator | ![]() |
0 Bid | US $49.00 | 1d 15h 37m |
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VINTAGE AQUA LUNG CALYPSO IV 2ND STAGE REGULATOR | ![]() |
0 Bid | US $24.99 | 1d 15h 42m |
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SCUBA PRE-OWNED SCUBAPRO MK VII FIRST STAGE REGULATOR | ![]() |
1 Bid | US $39.99 | 1d 15h 46m |
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SCUBA PRE-OWNED DACOR PACER 2ND STAGE REGULATOR | ![]() |
0 Bid | US $29.99 | 1d 15h 46m |
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SCUBA DIVING VINTAGE SHERWOOD 4000 2ND STAGE REGULATOR | ![]() |
0 Bid | US $29.99 | 1d 15h 46m |
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PRE-OWNED VINTAGE SHERWOOD 4000 FIRST STAGE REGULATOR | ![]() |
0 Bid | US $24.99 | 1d 15h 47m |
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SCUBA DACOR 38 INCH 2ND STAGE REG. LOW PRESSURE HOSE | ![]() |
0 Bid | US $14.99 | 1d 15h 47m |
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SCUBA DIVING DACOR ENDURO SECOND STAGE REGULATOR PARTS | ![]() |
1 Bid | US $14.99 | 1d 15h 47m |
The modern scuba diving set consists of two distinct things and these are open-circuit, called aqualung in the European countries and the closed-circuit/semi-closed circuit also known as a rebreather. In the case of aqualung or open-circuit scuba diving gear review, the diver is able to breathe in from the set and out to waste.
This is simple equipment and is easily and cheaply manufactured though it is uneconomical when used with expensive gas mixes like heliox and trimix and most divers just use standard air consisting of 21% oxygen and 79% Nitrogen.
The air mixture is kept under pressure in the air tanks on the diver's back and must ass through a regulator to reduce the air pressure to a level that is safe and comfortable to breathe. It is vital that the air regulator is kept in tip-top condition. Never dive if you have any doubts about the reliability of your equipment and especially the air pressure regulator.






































































































