Aspen 2 is alkylate petrol premixed at 50:1 with a premium quality biodegradable 2-stroke oil. Suitable for chainsaws, clearing saws, hedge trimmers, power cutters and other two-stroke engines 

Aspen 4 is alkylate petrol without oil – suitable for lawnmowers, rotary cultivators, snow blowers, boats and other 4-stroke engines. Ordinary petrol contains ethanol which attracts moisture and can cause engine failures. Aspen Alkylate Petrol contains no ethanol, making it ideal for use in marine environments.