Compatible style will work with almost any brand of BCD featuring a 1-inch flex hose. Suitable for a compatible 2.5cm orifice intestinal tube, ideal for various BCDs. Includes 2 cable ties and a drawstring for securing the steel needle. The K-valve can easily get jammed with sand and seawater crystals, so be sure to clean it thoroughly after shore use. Colour: black Material: nylon + metal Size: 65x99mm Package Contents: 1 * Submersible valve 2 * Straps Only the above package content is included; other products are not part of this offer. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The allowed measurement error is +/- 1-3cm.