Lamp ONLY - Snap Knob is NOT included Wattage: 36W, Base Type: 2G11, Length: approx 16" Easy Installation with 2G11 Base – Features a standard 2G11 4-pin base and measures approximately 16 inches in length, allowing for quick and secure installation in compatible UV systems. Long Lifespan & Energy Efficient – Rated for up to 12,000 hours of continuous use, this 36-watt lamp offers long-term reliability with low maintenance and high efficiency. Constructed with high-transmission quartz glass for optimal UV-C output and extended service life, the UC36W1006 is easy to install and compatible with multiple Honeywell models. High-Performance UV Output – Emitting a powerful 254nm wavelength, this UV bulb helps support a healthier Home environment. Lutrace Replacement UV Bulb for UC100A1013, UC100A1054, UC100E1014, UC100E1030, UV100A1018, UV100A1059, UV100A2008, UV100E2009, UV100E3007