... :15mm BF-BF:1148mm Arc legth:1067mm quartz glass ,ozone type and ozone free type overage lifetime :9000hours Applied in Watertreatment,Air ... Output Lamps,Cold CathodeLamps,H-Lamps,Compact Lamps ETC. High ozone free uv lamps amalgam uv lamp 185nm and 254nm GPH1148T5L ...