Manufacturer: ELPA (Asahi Denki Co., Ltd.) Set of 4 Model Number: GKP-L36H-2P(W) Specifications: E17 base, equivalent to 40W (36W power consumption), white color Features: Long lifespan is achieved by filling with krypton gas, which has a lower thermal conductivity than argon gas. Applications: Suitable for compact lighting fixtures such as downlights and chandeliers.