Musiyano mukuru pakati pehose yemhepo yakamanikidzwa uye yakamanikidzwa yemhepo chubhu ndiyo nzira iyo dhayamita inotsanangurwa.Hose inopimwa nedhayamita yemukati ukuwo chubhu ichipimwa nedhayamita rekunze.Semuenzaniso, 3/8" yakamanikidzwa mhepo hose ine dhayamita yemukati ye3/8".