LSE Lighting compatible UV bulb AAWHO/14 AAW300HO/14 4pin Brand: LSE Lighting - Professional Ultraviolet Lighting Brand Length: 14 1/2" T5F (Base: 4pin on ONE END with Collar Ring) Glass Type: Quartz Glass Tube; Effective Hours Rating: 10,000hrs; Type: Ultraviolet 254nm This UV lamp by LSE Lighting brand is 100% compatible replacement for use with American-Lights AAWHO/14 AAW300HO/14 uv system. All lamps listed are compatible LSE Lighting brand UV products. We do not sell American-Lights brand lamps. All American-Lights brand names, trademarks and logos are property of American-Lights respectfully.