Here's what other sites are saying:
Optimus Stove Accessories Polaris Pump Assembly 8019388. The Optimus Polaris Optifuel is the new benchmark for maximum versatility and ease of use in outdoor cooking. With its single jet technology this stove delivers excellent cooking performance with LPG Gas White Gas Kerosene Diesel and Jet Fuel without having to change anything on the stove. The patented quick-priming burner the self purging aluminium pump and a built in magnetic cleaning needle ensure reliability and ease of use when liquid fuels are used. When using LPG gas you can switch between efficiency mode and 4 season mode (for usage at low ambient temperatures) by simply opening the integrated support legs and turning the canister upside down.
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