Combo Package UV Bulb and Quartz Sleeve for use with Master Water MWC-7 MWCE-7 Brand: LSE Lighting - packages includes UV bulb & quartz sleeve Wattage: 16W - Bulb Type: Ultraviolet Germicidal UV Base: 2pDiag (Single Ended 2pin) - Length: 12.36" (314mm); Glass Type: Quartz Glass Tube, Super Life Rating: 12,000hrs This Combo Package by (LSE Lighting) brand is fully compatible for use with MWC-7 MWCE-07 sterilizers. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Master Water brand lamps. All Master Water brand names, trademarks and logos are property of Master Water.