Trigger sprayers ndi chida chosunthika chomwe chitha kugwiritsidwa ntchito pazinthu zosiyanasiyana. Nthawi zambiri amapangidwa ndi pulasitiki ndipo amabwera mumitundu yosiyanasiyana komanso masitayelo. Makina opopera pulasitiki ambiri amagulitsidwa mochulukira kuti akupulumutseni ndalama. Chowombera chowombera chimaphatikizapo chojambula chotsegula / chozimitsa ndi nozzle. Mphunoyi imalola wogwiritsa ntchito kulamulira kuchuluka kwa mankhwala omwe amaperekedwa. Ena nozzles akhoza kupopera, mtsinje, kapena nkhungu, pamene ena ali ndi malo otsekedwa ndi kapu yotseguka.
Botolo la pulasitiki loyambira ndi botolo lopopera lomwe lili ndi makina oyendetsa omwe amaperekera utsi. Polypropylene kapena high-density polyethylene amagwiritsidwa ntchito popanga zopopera izi (Zithunzi za HDPE). Nkhaniyi imakhala ndi kukana kwakukulu komanso zolepheretsa chinyezi. Ma sprayer awa amathanso kukonzedwa kuti apange mitundu yosiyanasiyana yopopera, kuphatikizapo nkhungu yabwino, kutsitsi kowawa, ndi jet stream.
