<https://adventureplanet.cz/produkt/dsv-complete/#product>
<http://schema.org/description>
"Ultra-compact lightweight high performing Universal Dive Surface Valve (DSV) for rebreathers. Set of bayonet nuts and nipples to attach any ID 40mm hoses.\r\n\r\nCompatible with all Shrimp BOV couplers and accessories."
<https://adventureplanet.cz/produkt/dsv-complete/>