G10T5L 16 watt Germicidal UV Lamp Bulb Single-pin Base 14.06" length Brand: LSE Lighting Compatible replacement for: ATS1-805 ATS1-805VH DWS-6, DWS-7, SE-7 Length: 14" - This lamp provides superior Water Purification Base: 1Pin Lamp T5 Ceramic Base [1pin on each End] Fits MODELS: DWS-6, DWS-7, SE-7