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Scuba Diving

Scuba Diving Regulators Buyers Guide

By Scuba Diving Partner | Published On March 25, 2021
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Scuba Diving Regulators Buyers Guide

Our 2021 scuba diving Gear Guide breaks down key features and pricing for some of the newest scuba diving regulators on the market right now.

REGULATORS

DIVE RITE XT4

$225 | diverite.com

Dive Rite XT4 Regulator

Can be configured for right or left side operation.

Jon Whittle

Dive Rite’s new premium second stage offers reliable performance in demanding conditions and low work of breathing. The compact, lightweight XT4 uses a streamlined exhaust tee perfect for sidemount or stage bottle setup. An ergonomic knob provides fine-tuning of breathing resistance, and metal parts are coated against abrasion.


SCUBAPRO G260 CARBON

Scubapro G260 Carbon Regulator

Rugged, freeze-resistant regulator designed to withstand extreme dive conditions.

Jon Whittle

$1,199 | scubapro.com

Sporting a stylish carbon fiber cover and reinforced technopolymer casing, the G260 Carbon Black Tech is lightweight and extremely durable. A tough Black Tech carbon coating protects the exterior from corrosion and minor scratches. The MK19 EVO Black Tech environmentally sealed first stage sports a similar protective coating and a rotating swivel.


SCUBAPRO MK25 EVO/D420

Scubapro MK25 Evo/D420 Regulator

A new take on an innovative design aimed at minimizing breathing effort.

Jon Whittle

$1,020 | scubapro.com

This reg builds upon proven concepts behind earlier D-series models. The D420 second stage locates the diaphragm below the mouthpiece intake for a higher ambient pressure to reduce valve-cracking effort. Paired with the capable MK25 EVO first stage, the D420 has an easy-reach top-mounted Venturi control.


SEAC DX200

Seac DX200 Regulator

High performance and durable construction at an attractive price.

Jon Whittle

$549 | seacsub.com

Smooth breathing and a sleek, rugged design are the hallmarks of Seac’s flagship reg. The balanced-diaphragm first stage is made of chrome-plated forged brass for corrosion resistance, with angled HP and LP ports for optimal hose alignment. The second stage has an easy-grip breathing adjustment and an ergonomic Venturi control.


TUSA RS-681

Tusa RS-681 Regulator

Exhaust-assist design helps smooth the breathing cycle.

Jon Whittle

$699 | tusa.com

The compact, elliptical S-81 second stage features two sets of exhaust ports, with auxiliary exhausts located next to the mouthpiece, to reduce exhalation effort. A ceramic moisture plate prevents dry mouth. The click-spring breathing adjustment allows divers to dial in the perfect breathing resistance, while the Venturi control tames free-flows with ease.


REBREATHER

DIVE RITE O2PTIMA CM

Dive Rite O2Ptima Rebreather

Compact roll-up design weighs just 14.4 pounds for easy travel.

Jon Whittle

$6,300 | diverite.com

Compatible with almost any style of harness, this versatile chest-mounted version of the proven O2ptima closed-circuit rebreather is ready for travel and diving anywhere in the world. With full electronic control, the self-contained design with an onboard oxygen cylinder requires only a single external diluent connection, and can be easily added or removed—even underwater.