Low Pressure Ports

MiFlex Low Pressure Hoses

60 reviews

SKU: XSSLPH36YL

^$74.95

+ wishlist

In Stock

DESCRIPTION

A lightweight and durable scuba diving hose with double nylon safety braiding and chrome plated brass fittings.

Pros

Lightweight and flexible
Variety of colors and sizes
Professional and customizable look
Durable and long-lasting
Easy to pack and store

Cressi AC2/XS2 Regulator

57 reviews

SKU: CSBRXS2

~~$289.95~~ Save: $70 (24%)

^$219.95

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In Stock

DESCRIPTION

A dependable piston regulator with a marine-grade brass 1st stage and durable hi-tech polymer 2nd stage.

Pros

Lightweight and comfortable
Reliable and dependable
Affordable and good value for money
Easy and effortless breathing
Versatile and works in both cold and warm water

Blue Reef Low Pressure Flex Hose

51 reviews

SKU: BLRLPH84

~~$78.95~~ Save: $44 (56%)

^$34.95

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In Stock

DESCRIPTION

A flexible and durable low pressure hose with advanced braiding technology and superior abrasion resistance.

Pros

Well-made and durable
Reduces pull and provides ease of use
Comfortable and reduces strain
Affordable price
Flexible and lightweight

Low Pressure QD Hose for Standard BC Inflator Fitting

39 reviews

SKU: AQULPHQD

~~$26.95~~ Save: $2 (7%)

^$24.95

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In Stock

DESCRIPTION

A durable neoprene jacketed low pressure hose with a standard BC inflator fitting.

Pros

Works perfectly
Met expectations
Serves its purpose
Extra length
No problems

Mares Prestige 15X and Prestige Octopus Package

32 reviews

SKU: MRSPKPRGY

~~$619.90~~ Save: $170.90 (28%)

^$449

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In Stock

DESCRIPTION

A lightweight Mares regulator package with diaphragm first-stage, 4 LP ports, and 2 HP ports.

Faber Low Pressure Steel Tank

18 reviews

SKU: FBRLP85SG

~~$474.95~~ Save: $45 (9%)

^$429.95

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In Stock

DESCRIPTION

A corrosion-resistant, blue steel scuba tank with convertible DIN/K valve, nitrox-ready and optimized for balanced buoyancy.

Aqua Tire Inflator

16 reviews

SKU: AQUTI

^$19.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant Aqua Tire Inflator for scuba gear with Schrader valve stems and multi-purpose inflation capabilities.

Scuba Regulator & Octo Grab Bag

15 reviews

SKU: SCBR1O

~~$514.90~~ Save: $199.95 (39%)

^$314.95

+ wishlist

In Stock

DESCRIPTION

A reliable and balanced scuba regulator and octo grab bag for underwater diving.

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

+ wishlist

In Stock

DESCRIPTION

A durable black piston regulator with easy breathing, Nitrox compatibility, and exceeding safety standards.

Zeagle F8 Yoke Regulator

12 reviews

SKU: ZGLF8

^$749.95

+ wishlist

In Stock

DESCRIPTION

A high-performance yoke regulator with a low-profile design, environmentally sealed first stage, and adjustable second stage.

Aqualung Calypso Regulator

12 reviews

SKU: UDRCLR

^$389

+ wishlist

In Stock

DESCRIPTION

A lightweight and reliable Aqualung Calypso Regulator with adjustable 2nd stage and Nitrox compatibility.

Scubapro MK25 EVO/S620Ti Dive Regulator System

9 reviews

SKU: SCPM25ES620

^$1249

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with a balanced piston first stage and adjustable inhalation control.

Cressi AC2/XS2 Regulator & XS2 Octo Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $94.90 (28%)

^$250

+ wishlist

In Stock

DESCRIPTION

A lightweight, high-performance regulator and octopus package with a non-balanced flow-by piston design.

Highland by XS Scuba Compact DIN First Stage

9 reviews

SKU: XSSCDF

^$109.95

+ wishlist

In Stock

DESCRIPTION

A compact and low profile DIN first stage with fail-safe flow, made of marine grade brass.

3/8" Male to 7/16" Female Regulator Adapter (AA51)

9 reviews

SKU: AQUHAC

^$14.95

+ wishlist

In Stock

DESCRIPTION

A chrome brass adapter for vintage scuba regulators, allowing use of 7/16" hose in 3/8" port.

Atomic Aquatics B2 Regulator Yoke

8 reviews

SKU: ATMB2S

^$969.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, all-titanium regulator with adjustable 2nd stage and patented comfort swivel for easy breathing.

Mares LED Tank Module

8 reviews

SKU: MRSQT

~~$339.95~~ Save: $40.95 (12%)

^$299

+ wishlist

In Stock

DESCRIPTION

A Mares LED Tank Module with RF transmission, LED indicator for tank pressure, and streamlined dive profile.

Scuba Regulator Grab Bag

8 reviews

SKU: SCBR1

~~$364~~ Save: $144.05 (40%)

^$219.95

+ wishlist

In Stock

DESCRIPTION

A piston first-stage regulator with a pneumatically balanced 2nd stage design and nitrox compatibility.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, ergonomic regulator with a titanium second stage and patented comfort swivel.

3/8" Low Pressure Port Plug

7 reviews

SKU: AQULPP

^$9.95

+ wishlist

In Stock

DESCRIPTION

A durable, chromed brass plug that fits 3/8" first-stage LP ports and comes with an LP O-ring.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1299

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with customizable breathing options and enhanced cold-water diving capabilities.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

~~$575~~ Save: $115 (20%)

^$460

+ wishlist

In Stock

DESCRIPTION

A patented, environmentally sealed regulator with optimal hose routing and Teflon-coated parts.

Atomic Aquatics M1 Regulator Yoke Sealed

6 reviews

SKU: ATMM1BK

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator designed for extreme diving situations, with nitrox-ready capabilities and freeze protection.

Scubapro MK25 EVO/G260 Dive Regulator System

4 reviews

SKU: SCPM25EG26

^$1049

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with adjustable 2nd stage, 5 LP ports, and enhanced freezing resistance.

Atomic Aquatics Z3 Regulator Yoke

4 reviews

SKU: ATMZ3RY

^$719.95

+ wishlist

In Stock

DESCRIPTION

A budget-friendly, high-performing regulator with self-lubricating seal, freeze protection, and swivel for easy underwater movement.

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Low Pressure Ports

Understanding the role of low pressure ports is essential for anyone serious about scuba diving, snorkeling, or maintaining their underwater sports gear. These critical components are found on a variety of scuba regulators and air delivery systems, acting as the main connection points for hoses that supply air to your second stage regulator, octopus, and sometimes inflation devices. When you’re preparing for a dive—whether it’s a brisk May morning at your local lake or a warm afternoon by the coast—ensuring your system’s low pressure ports are secure, clean, and properly fitted can make all the difference in your underwater experience. The ports themselves are typically quick-connect fittings, designed for both ease of use and safety. Their size is slightly larger than high-pressure ports, which helps prevent accidental cross-connection. This distinction is particularly helpful during pre-dive setup, especially for newer divers or anyone double-checking their gear in low light or hurried conditions. Many divers appreciate that the protective caps, often marked with an ‘L’, serve as a primary seal against moisture and debris, which is especially important after a dive in sandy or silty environments. It’s a small detail, but replacing the cap after disconnecting your hose is a habit seasoned divers swear by—it keeps your system functioning reliably and extends the life of your equipment.

Low pressure ports are not just for the seasoned diver; they’re an ideal consideration for anyone assembling their first set of gear or giving a thoughtful gift to a new diver. If you’re shopping for someone just starting out, knowing that their regulator’s low pressure ports are accessible and compatible with a range of hoses and inflator devices can provide peace of mind. For more advanced divers, especially those who enjoy customizing their setups for specific environments or technical dives, having multiple low pressure ports allows for greater flexibility—accommodating everything from drysuit inflation hoses to integrated alternate air sources. When tracing the lines from your first stage, you’ll typically find these ports along the larger, thicker aluminum line leading toward the back of the regulator, often running alongside other essential connections. On some setups, the ports are conveniently located for quick hose changes or adjustments, while in others, you might need to check near the base of the regulator or even under a protective cover. This is not unlike locating the low pressure port on a vehicle’s AC system—sometimes it’s front and center, other times it requires a bit of searching near the passenger side or beneath a panel. Regardless of your configuration, always ensure the port is free of corrosion and the O-ring is intact before attaching any hose or device. This attention to detail, especially during the busy spring and summer diving season, helps prevent leaks and ensures smooth operation whether you’re exploring a coral reef or fine-tuning your skills in a training pool.

For divers interested in optimizing their breathing apparatus for higher airflow or specialized applications, it’s worth exploring the differences between standard low pressure ports and their high-flow counterparts. While low pressure ports are designed for reliable delivery of air at a moderate rate, certain diving scenarios—such as deep technical dives or the use of high-performance second stages—may benefit from the increased capacity offered by high-flow ports. If you’re curious about these options or want to compare configurations, you can find more information and recommended products on our dedicated High Flow Ports page. Ultimately, whether you’re a recreational diver, an instructor, or shopping for a friend, understanding the function and maintenance of low pressure ports is a key part of safe and enjoyable diving. Taking the time to inspect, protect, and properly use these ports ensures your gear performs at its best, dive after dive, season after season.