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The smallest profile would be to have the Si-Tech QCS Oval wrist rings installed and couple it with the Fourth Element Ellipse dryglove rings. The Ellipse works similar to the Ultima DGS but retains the system's low profile oval shape. I am a fan of, and currently use the Rolock 90. Prior to...

The air does not need to penetrate the neoprene in an equalized glove....the closed cells of the neoprene provide its insulative property...it will maintain this insulative capacity as long as it is not compressed, which is the point of equalizing the dryglove. I edited my second question...

Why would a neoprene glove liner compress and lose some of their insulative value inside an equalized dryglove as one descends? Why would a lofted glove liner not compress under the same condition, an unequalize dryglove? If the dryglove is equalized the neoprene glove liner will not be...

When you equalize your suit and gloves you are adding air at your regulator's intermediate pressure which is most likely higher higher than ambient pressure. This allows your suit and gloves to inflate. If you had neoprene gloves on your hands as a glove liner inside a dryglove, the neoprene...

Do you have anything that disrupts the wrist seal to allow warm air to travel into your gloves? I use the Rolock 90 system but use the thin silicone tubes that came with the Ultima DGS set that I used to use. The thin flexible tubes allow warm air to pass into the gloves by raising my arms...

Call these guys and ask, they should have particular insight into what you are asking about: -Z

Dive Gear Express (DGX) sells the Rolock 90 system: https://www.divegearexpress.com/rolock-90-kit-only-no-wrist-seals -Z

Your rings look to be the Waterproof Ultima DGS, but there is a small chance they could be the Diving Concept dryglove ring system. Diving Concept rings were the original patent that Waterproof bought and slightly modified when they created the Ultima DGS. I think the modification was a slight...

That means your suit has factory installed Si-Tech QCS Oval wrist rings. That is a good thing. While the Ultima DGS and Ultima Twist rings are a decent system, quite a few of us that have used this system have moved on to the Rolock 90 dryglove ring system. The Rolock 90 system is easier to...

From what I can tell l, the Waterproof D7 Pro came with Si-Tech's first generation neck ring system, the Necktite. Depending on how old the suit us, it could have the QCS Oval wrist ring system installed or it could have the older Quick Cuff rings installed. The Waterproof Ultima DGS and the...

The ultima twist is most definitely compatible if the Ultima DGS is compatible.. There is no difference between the ultima dgs and the ultima twist other than the extended tabs on the glove rings meant for prying the two halves of the system apart after a dive. Everything else about the two...

Pic is an industry insider term...I would bet the OP has no clue what everyone who has used this term is even referring to. PIC=Positive Identification Card This was a card/info packet purchased by PADI dive instructors and filled out and signed by the instructor upon a student's succesful...

As far as I know, Waterproof factory installs the Si-Tech's QCS Oval wrist ring system and one of Si-Tech's integrated neck ring systems (Necktight or Quick Neck ring system)....the difference is that Waterproof has their own brand of neck and wrist seals. I have sets of both Si-Tech and...

It is not the sitec ovals...they are not a dry glove system....they are a wrist seal retention system that is also used as a platform for mating a dryglove ring system. What you are actually referring to. Is the sitec Antares dryglove ring system which was designed to integrate with the qcs...

Who are you asking? -Z

The Si-Tech wrist cuff ring systems are made up of the following components: 1. A soft (polyurethane material) ring is glued into the cuff of the suit. This ring is round in shape and is the overall platform for seal and glove retention. 2. A removable hard plastic ring that is pressed into the...

There is also the 4th Element Ellipse dryglove ring system that integrates with the suit-side ring of the Si-Tech QCS oval system...it will keep the system oval and works much better than the Antares (which I agree sucks)....the Ellipse ring system functions similar to the Waterproof Ultima DGS...

Sometimes when we want something to be true, we convince ourselves that it is true and we convince ourselves that we see signs of that truth everywhere...despite the contrary reality. I have been a PADI pro (divemaster) for a handful of years, and although I am aware that PADI indicates that one...

You are referencing a professional level industry certification. The OP was hoping his son could get high school/college physical education credit for the PADI courses his son obtained, but apparently did not discuss or coordinate with his son's high school before his son took the PADI courses...

So sorry to read about your troubles but you basically went about this entirely wrong. You will be hard pressed to find a university that will give your son credit for a course he did not take through them (other than transfer credits from other universities)...and the high school your son...