vacuum leak detector

Does anybody have a used m14 or m16 valve sentinel that they'd be willing to sell? Any version. Thanks

Purchased a spare vacuum detection / moisture alarm. Just in case the installed ones failed in either of my wife's or mine housings. Still sealed, unopened. $205 shipped (retails for $244 new) Paypal or Venmo payment accepted. Same Day Shipping w tracking provided. (unless if purchased...

This is a virtually brand new (4 dives total!! pristine!!) housing kit that includes everything you need to start diving with the amazing Sony a6400! Although advertised a lot, this housing kit is impossible to find right now as Fantasea production is way behind because COVID. The package...

I have a ikelite housing. I have the vacum to keep it at about 5lbs pressure. It drop down to about 2.5 in about 4 hours. Is it right? Or safe to dive Please help

Underwater housing Nauticam NA-EM5II # 17809 = $879 (with Flexitray handles #71311) Nauticam Vacuum Valve # 25057 = $99 (only together with boxing) Nauticam Shutter release # 25200 = $35 rubles (only together with boxing) Camera Olympus EM5 mark II body w/two extra batteries (only when buying a...

Zen and the Art of Housing Flood Prevention. Several recent leaks in my dive buddy's and my housing are the reason writing this. I have been certified since 1975, my buddy since the 1980's. One of my recent minor leaks was from a slightly misaligned O-ring in the port housing, caused by...