Here's what other sites are saying:
Optimus Backpacking Stove Accessories Refill Adaptor 8019206. Refill your lighter with the same gas which you use for your stove in the field.
Compatibility issues are a thing of the past with the stainless steel Optimus Refill Adaptor that allows you to refill your lighter in the field with any screw-valve gas canister. The attached, bright green lanyard keeps it close by to help meet all of your ignition needs.
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