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 gtltspangtpestwest quantum bl shatterproof tubes are coated with teflonr fluoropolymer to appreciably decrease the risk of contamination from glass b