diff --git a/src/pbHelpers/ComponentTypes/DragerGasDongle.ts b/src/pbHelpers/ComponentTypes/DragerGasDongle.ts
index a8f2090..db71771 100644
--- a/src/pbHelpers/ComponentTypes/DragerGasDongle.ts
+++ b/src/pbHelpers/ComponentTypes/DragerGasDongle.ts
@@ -112,7 +112,7 @@ export function dragerGasDongle(subtype: number = 0): ComponentTypeExtension {
       excludedNodes?: number[]
     ): Summary[] => {
       //if it is O2 display percentage rather than ppm
-      if (subtype === quack.DragerGasDongleSubtype.DRAGER_GAS_DONGLE_SUBTYPE_O2) {
+      if (subtype === quack.DragerGasDongleSubtype.DRAGER_GAS_DONGLE_SUBTYPE_O2 || subtype === quack.DragerGasDongleSubtype.DRAGER_GAS_DONGLE_SUBTYPE_LEL) {
         let summaries: Summary[] = [];
         measurements.measurementsFor.forEach(measurement => {
           let describer = describeMeasurement(