Check the listing for details. Phillips UV Bulb 6W G6T5 254 nm Germicidal 365 nm TUV BL UVA UVC 8.9” Length. Condition: New. Listed at 12.95 USD. UV Germicidal TUV G6T5 254 nm 6W UVC Shortwave Bulb. and TL G6T5 365 nm 6W UVA Black Light Bulb. by Philips. The bulb length is 8.9” (22.5 cm) including the pins or 8.3” (21 cm) without, and the tube diameter is 5/8th of an inch. G5 base, distance between pins 0.5 cm. Free shipping with USPS First Class Package from NY, and get a further discount when you buy more than 1. 30-day returns. Also available: Japanese Made Sankyo Denki G4T5 254 nm 4W UVC Bulb @$13.994W 254 nm and 365 nm Philips UV bulb @$11.99, $11.49, and $9.99 Please check out these other goodies:8W mineral UV lamp lithium battery / DC plug powered 8W 254 nm Li-ion battery/DC powered UV Lamp AAdvance Instruments AI-4UV21M (Flagship item!) Lithium battery / DC plug powered 6W 254+365nm Li-ion battery/DC powered UV Lamp AAdvance Instruments AI-2UV20DC (Flagship item!) AC powered 6W 254+365nm Dual Wavelength Powerful UV Lamp AC 120-240V AAdvance Instruments AI-3UV20 (Flagship item!)