![]() ![]() Automatically purges water through draining/exhalation valve when breathing.No fogging thanks to the air circulation system.It is very likely that a mask will still fit comfortably even if measurements are located in these fading areas. The fading areas represent less common face measurements. Please note that the chart boundaries fade. If the measurements fall within the both category, then the diver should technically be able to wear either full face mask (M/L or S/M), and in that case should try on a mask to select the best fit. There are three different size categories on the chart: Small/Medium, Both, & Medium/Large. Using the Full Face Mask Size Recommendation Chart, he or she can evaluate the size category into which the measurements fall. Before purchasing a mask, the customer may use the calliper to take two simple face measurements. The Neptune Space is available in two sizes, Small/Medium and Medium/Large.The sizing and measuring system were designed in accordance with the official measuring procedure used in the Los Alamos Scientific Laboratory Charts at the SBCCOM Mask Fit Facility-Aberdeen Proving Ground (Maryland, USA). Watch the video first to make sure this FFM is right for you but it truly brings diving to a whole new level and is well worth the money and all you need to dive is this mask with any 1st stage and you are ready to go. I prefer the SAV and there is a skill video located on instructing you on how to breathe off of a regular oct if the situation should arise. If you choose that as an add on instead it allows you to breathe off of your oct if your primary fails without removing the mask and it is priced at $38 from Ocean Reef direct. The octopus adapter is not necessary and it takes the place of the surface air value. I do however recommend the surface air value as it helps you conserve air while on the surface. As far as the add ons are concerned they are "add ons" you do not have to purchase any of them and the mask is ready to dive with as is. to use it in their manual but I called the rep for Ocean Reef in California and they said you may use it with any 1st stage of your choice, and that they themselves use other 1st stages with this mask while diving with them. As far as the ignorant statement from a negative review I read you do not have to use their 1st stage for the mask. It is just like breathing on land and the range of visibility is far better than a conventional mask. I wasn't going to write a review but after seeing such a negative review from someone I had to because I wouldn't want anyone to miss out on something like this if they were thinking about it. This Neptunian moon is coated by a frozen layer of condensed nitrogen and appears so bright, outshining the methane-darkened Neptune, because it reflects around 70% of the sunlight that falls on it.This is a great mask that offers a whole new way to dive. In particular, just above the ice giant in the zoomed-out version of its view of Neptune is a bright point of light that represents the moon Triton. The JWST images also provide scientists with a look at seven of Neptune's moons. Yet, the most powerful space telescope ever created has still managed to spot an intriguing brightness in the region of Neptune's north pole. At this point in Neptune's 164-Earth-years-long orbit around the sun, its northern pole is just out of view from the JWST's position almost 1 million miles (1.5 million kilometers) from Earth. ![]() The image also shows something intriguing at Neptune's northern pole. Celebrate 45 years of Voyager with these amazing images of our solar system (gallery) Jupiter, too! New James Webb photos show giant planet's rings, moons and more ![]()
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