1. Lub lim lim qhov ntau yog qhov dav, thiab koj tuaj yeem xaiv ntawm 0.1 micron thiab 60 microns.
2. Cov khoom siv ntawm cov lim dej pleated yog ua los ntawm polypropylene, tsis muaj cov nplaum ntxiv, uas zoo heev txo qhov tshwm sim ntawm cov lev ntawm lim lim nws tus kheej.
3.Cov khoom lim dej khoom no muaj cov tshuaj siv tau zoo heev thiab muaj peev xwm tiv taus cov acids thiab alkalis. Nws tuaj yeem siv rau kev lim ntawm qee cov kuab tshuaj organic thiab pom ntawm cov kua qaub zoo thiab alkalis.
4. Lub caij lim no muaj cov hmoov av zoo tuav thiab muaj peev xwm tuav tau zoo ntawm cov teeb meem feem me.
5. Lub taub lim no tuaj yeem tiv taus kub ntau dua thiab muaj qhov kub thiab txias zoo heev. Nyob rau tib lub sijhawm, nws muaj peev xwm ua haujlwm tsis tu ncua nyob rau hauv ib puag ncig kub thiab tuaj yeem tiv thaiv kev ntsuas kub thiab kev kub siab kom tsis muaj menyuam.
6. Cov neeg kho tshuab lub zog ntawm qhov khoom lim no yog siab heev, uas ua rau nws muaj lub neej ua haujlwm ntev thiab txo qis dua.