Ltpgtltspangtpestwest quantum bl tubes are designed keeping the environment in mind these tubes contain considerably less lead and mercury compared with most other fluorescent tubes they are fully compliant with the european unions new restriction of hazarduous susbstances directive rohsampnbspltspangtltbr gtltbr gtltspangtmost tubes used in fly control units are replaced at the beginning of the insect season but in order to preserve an acceptable level of pro