Umthombo we-Bsf Box Ezi bhokisi zenziwe ngokukodwa zigqibelele kwijoni elimnyama lezahlulo zezambatho, zibonelela ngendawo ehlekisayo necocekileyo yokukhula okukhulu nophuhliso. Iibhokisi zeza ngobukhulu obahlukeneyo ukulungiselela ubungakanani be-larvae, eyenza ukuba ibe sentywila kwimisebenzi yefama ye-BSF encinci ye-BSF. Ngezixhobo eziqinisekileyo kunye neempawu ezinobuhlobo, ezi bhokisi ze-BSF zilokhetho olululo noluthembekileyo lokukhulisa ijoni elimnyama nelikhulayo