<http://webisa.webdatacommons.org/379122177>	<http://www.w3.org/ns/prov#value>	"al Grade Glass Lens Port ??? double laminated PVC ??? non-corrosive and seawater resistant clamping railsAccessories:Ewa-Marine BF-1 Video Lead WeightEditorial Reviews:Product DescriptionEwa Marine, the ORIGINAL Underwater Housing manufacturer has been an industry innovator, trusted by organizations including Disney, and the U.S. Military to protect their photography and video equipment for over 4" .
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