Mushroom spray kai kuma aka sani da hemispheric spray kai. Yana yin amfani da ka'idar refractive, samar da uniform film lokacin spraying ruwa, wandaSiffar na iya samar da cikakken nau'in mushroom a ƙarƙashin iska da matsin lamba na ruwa. Wannan spray ya dace da tafkin spray a cikin gida ko farfajiyar. A ƙarƙashin bushewa kai za a iya shigar da bawul don daidaita yawan ruwa, a lokaci guda kuma za a iya daidaita rufin sama na bushewa kai, don haka da ruwa bushewa flower irin cimma mafi kyawun sakamako, bushewa kai daidai da wannan ka'ida.