Meridian Thermoplastic LED Lamps: Meridian LED Thermoplastic Lamps offer both high lumen levels and lower prices. The core of the range features 7w, 10w, 12w, 15w and 18w A60 GLS type lamps in cool or warm white, with for example, the 7w cool white lamp delivering 600 lumens and a dimmable 12w option 1100 lumens. In warm white only, there are3w and 5w candle lamps in clear or opal versions, with the 5w also available with dimmable capability, whilst clear 5w globe lamps complete the range.