LSE Lighting Combo Package UV Bulb and Quartz Sleeve for Gamma UV #1403 Brand: LSE Lighting Included in the package: 1 UV Bulb and 1 Quartz Sleeve Bulb Length: 33 1/2", Quartz Sleeve Length: 35" (domed at One End) This Combo package of 1 UV Bulb and 1 Quartz Sleeve by (LSE Lighting) brand is 100% compatible for use with Gamma 40W 1403 Ultraviolet Sterilizer. All UV replacement Lamps/Quartz Sleeves listed are compatible brand (LSE Lighting) UV products. We do not sell Current USA Gamma brand Quartz Sleeves. All Current USA Gamma brand names, trademarks and logos are property of Current USA Gamma.