Check the listing for details. 5/16" Hose ID Barb M12 Male Thread Thru-Bulk Bulkhead Fittings PP Clear 1 Set. Condition: New. Listed at 12.99 USD. Compatibility:Plastic Hose Barb Fittings are suitable for aquarium, swimming pool, fountain, drip Irrigation, food and beverage, laboratory and chemical processing and handing, etc.Functionality:Color: ClearCondition: Brand NewSuitable for Hose Inner Diameter: 8mm / 5/16"Advantage:The product is made of PP, is of good quality, and long service life.Plastic Hose Barb Fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping.A good replacement for your old or broken connector.Universal Compatibility for Aquatic Enthusiasts: Our fittings ensure leak-proof connections in aquarium setups, fit for standard hose sizes, making them ideal for maintaining a pristine aquatic environment. They safeguards your marine life's health.