Click to expand Tap to zoom 20 Watt 4000K LED Lamp for BT20 Flush Bulkhead Range by Knightsbridge Sale £36.97 (Inc VAT) | / SKU BT20L 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Spare LED Lamp tray for BT20 20W 4000K 20 watt Colour temperature: Cool White 1472 lumens output 70 lumens per watt Non dimmable LED Life expectancy: 30,000 hours Dimensions: Diameter: 380mm 3 years warranty GTIN: "5055832937920",