Ua los ntawm mos thiab fiberglass-dawb SBPP ntaub;
4-ply PP + Filter ntawv + Activated Carbon + PP siv;
Ntxiv qhov ntswg ntev kom haum zoo dua;
Round thiab latex-dawb elastic bands;
Tsim nyog rau cov xwm txheej uas raug cov ntxhiab tsw tsw qab
Ua los ntawm mos thiab fiberglass-dawb SBPP ntaub;
4-ply PP + Filter ntawv + Activated Carbon + PP siv;
Ntxiv qhov ntswg ntev kom haum zoo dua;
Round thiab latex-dawb elastic bands;
Tsim nyog rau cov xwm txheej uas raug cov ntxhiab tsw tsw qab