"Near sighted" correction allows clear distance vision for general diving activities. We offer a standard selection of single vision lenses that are installed in our "Vision Correction Masks". This will require your vision prescription to select the lenses needed for this mask.

"Far sighted" correction allows clear near vision for reading numbers and text from dive computers and SPG's. We offer a standard selection of bifocal lenses that are installed in our "Gauge Reader Masks". The upper portion of the lens is clear and lowering your eyes to the bifocal segment provides magnification for reading. Most people who need Gauge Readers already use reading glasses and know how much magnification they prefer.

More information explaining ordering is in our Tek-Tip at Vision Correcting Masks.

All products purchased through Dive Gear Express are backed by the branded manufacturer limited warranty. Warranties vary widely by brand and type of product so please consult the manufacturer's website and/or user manual of the product in question for specific warranty details. In addition, all our house brand DGX Gears™ products are customer satisfaction guaranteed for the useful life of the product, backed by Dive Gear Express. Generic and unbranded products are guaranteed by Dive Gear Express for one year from date of purchase. Services by Dive Gear Express are guaranteed for a period of ninety days.

Warranty service usually requires return to either Dive Gear Express or the branded manufacturer if you prefer. If you are are unable to use a pre-paid return label then you pay for warranty shipping costs back to us and we always pay for the warranty shipping costs back to you.

Yes, it's In-Stock. We understand, it's frustrating to order something you need in a hurry only to learn later it's out-of-stock. We go to extremes to make sure our website product descriptions accurately indicate the In-Stock status for each of our products and their status is updated daily. In rare circumstances our inventory count might be inaccurate, or we might receive multiple orders for the same item at roughly the same time when we have limited inventory. As a general rule, if the status is In-Stock on our website, then as far as the best information we have at the moment, the item really is in our warehouse.
If we are confident about when an out-of-stock item will arrive in our warehouse then we will indicate our estimated availability date on the website product description: 2-3 days, 1-2 weeks, etc. Orders received now for those items will be held in back-order status until we receive the product. If the product status says "On Order" that means we do not have confidence about when we will receive our delivery. Those items will not have an Add-to-Cart button and we will not accept "pre-orders" for items about which we have so little confidence in date of availability. If a product has disappeared from our website, it usually means we don't have any idea when, or even if, an item will return to stock.

Yes and no; this simple question has a complex answer because there is no widely recognized scuba diving standard for what constitutes suitability for oxygen service. Hypothetically, the equipment we sell could be used with oxygen if we describe it as Nitrox Ready, otherwise you should assume air only service. However from the point of view of stringent U.S. aerospace guidelines and Compressed Gas Association handling standards for oxygen, nothing in general use in recreational diving is suitable for oxygen service.

The reason why we can't give you a simple unqualified "YES" is related to the associated risks when the circumstances of use are completely outside our control. To dive using oxygen requires you to make an informed decision to accept for yourself the risks of handing the oxygen. Reading the following articles will help you to form your own opinion about the answer: Understanding Nitrox Ready and Oxygen Service along with About '40% MAX OXYGEN' Disclaimers.

We often get questions asking if our generic or 'brand X' parts will fit 'brand Y' equipment. With a few exceptions, most often our answer has to be "we don't know" if we are not an authorized dealer for brand Y. With a few exceptions such as hose fittings, there is very little standardization of parts within the recreational diving market. In general, among brands that do much of their design in-house (for example Apeks, Aqualung, Mares, Oceanic and ScubaPro) there is virtually NO cross brand compatibility although for many technical diving focused brands (such as Dive Rite, Halcyon, Light Monkey, OMS and Oxycheq) parts more often are interchangeable. There is little compatibility with older products (more than 5 to 10 years) from virtually all brands, as advancements in materials and manufacturing processes almost always introduce compatibility issues with previous generations.

We are often asked for sizing advice on Fins. Unfortunately we don't have much to add beyond what is mentioned on the website in our product descriptions. The only general statement we can make is that the most common exchange we see is for the next size larger.

There is no size standardization between brands of fins (or even between different models from the same brand) and so you cannot assume that a size in one brand of fin is the same dimensions as the size in another brand; even when the designs look very similar. Taking some actual measurements of your boot while on your foot and comparing to our foot pocket dimension charts will help determine the size selection for your desired fit.

If you are not certain about your fin size then our recommendation is not to order until you can make that determination. While Dive Gear Express will accept fins for return, fins do not qualify for a free prepaid return label.

Unfortunately, there are several different types of synthetic polymers sold as nylon and no standards for the test methodologies, so it's impossible to compare published ratings from different sources. Our supplier tested both our Hi-Viz Dacron Line and a widely used white nylon guideline found on reels, using the same method for each test. The results show both have several hundred pounds of breaking strength, although the Hi-Viz line is stronger. Frankly, both are more than strong enough for diving purposes. Beyond strength and durability, another difference is that Dacron line exhibits significantly less elasticity than nylon.
Yes, we have replacement analyzer oxygen sensors for a variety of third party handheld nitrox analyzers. For the Analytical Industries brand analyzers we sell, we have replacement Palm D oxygen sensors and replacement TruMix 4001 oxygen sensors. Plus, we have replacement diving grade oxygen sensors used in rebreathers. We also have an article on Oxygen Sensor Handling Best Practices.
The digital solid state oxygen sensor (SSO2) is not a plug compatible replacement for your analog oxygen sensor and so currently the only device that can use the SSO2 is the Poseidon M28 dive computer in a monitoring only application. Some time in 2018 the Poseidon rebreather electronics head will have an upgrade available to enable it to use an SSO2 to control the oxygen level of the loop. To adapt the SSO2 to other brands of rebreathers would need a method to physically plumb the SSO2 in to the loop for monitoring using the M28 dive computer, or a major revision to the rebreather controller electronics. For obvious reasons, Poseidon is not in a position to modify other brands of rebreathers. However, Poseidon is actively promoting their SSO2 technology to other rebreather manufacturers and we are aware that several rebreather manufacturers are looking at methods to provide one or the other solution, or both, as options. As with any bleeding edge new technology only time will tell how this shakes out, but your first step is to make an inquiry to the manufacturer of your specific rebreather about their plans for solid state oxygen sensors.

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