Corrosion-resistant khoom, high-precision filtering number case impurities, kev tiv thaiv zoo ntawm lub nozzle, kom ntev lub neej ntawm nozzle.

Nyob rau hauv lub hnab number case yog lim tshuaj ntsuam, feem ntau yog siv los lim impurities coj los ntawm tus number case, txo qhov tshwm sim ntawm nozzle plug, yog hais tias lub sij hawm ntev tsis hloov, lub hnab number case yuav ua rau kom qhov tshwm sim ntawm nozzle tsis ua hauj lwm.