You can also buy the setup at B&H photo. You need a different moisture alarm than the original; the old one does not have the vacuum sensor.
Here is the pump and valve
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Based in New Westminster, Canada, near Vancouver. Certified in 1994, I took up underwater photography while volunteering on a CEDAM International Conservation Project in Akumal, Mexico. My photos and articles have been published in a number of dive, travel, and natural history magazines, and my images can be found in texts and references for marine biology and science. Scuba Diving, Sport Diver, FiNs Magazine, Tauchen, Canada's Diver, Caribbean Travel and Life, Ritz-Carleton Magazine, Blue Planet Quarterly and Natural History are some of the publications that have published my work. I am represented by several stock agencies that market my work world wide. Based in New Westminster, Canada. My favorite destination is Indonesia, and my favorite subjects are nudibranchs, seahorses, tiny blennies and turtles. I shoot Nikon equipment in an all Canadian Aquatica Housing.
You can view a small selection of my images at www.marliwakeling.com