Ultra-Premium Pump 9 Wide - Transparent. This Ultra-Premium Pump 9” Wide comes with a total cylinder length of 23 cm (9”) and an inner diameter of 4.8 cm (1.8”) this high-quality pump gives you sample possibilities to grow in both directions! The total length of the hose is 27 cm (10.6”) and is made of smooth Silicone. Surprise yourself on how big you can get! This variant comes with a metal pistol grip pump with gauge and a quick release valve for your comfort.