Weidmueller FPL 4G2.5/PD/Q4MG/2+5

The FPL 4G2.5/PD/Q4MG/2+5 is a fluorescent lamp with a 4-watt power rating and a 2.5-inch diameter. The "PD" likely refers to a specific phosphor coating, which enhances light output and color quality. The "Q4MG" might denote specific performance features, while "2+5" likely indicates the packaging or quantity, such as two lamps and five additional pieces in the pack. This type of lamp is typically used in various lighting applications, including residential and commercial spaces.