Optimus Clip-On Canister Stove Windshield 191055-EE. It saves you fuel by reducing boil times in windy conditions and is flexible enough that should fit gas canister and pots with a max diameter of 5 in. Specifications for Optimus Clip-On Canister Stove Windshield: Manufacturer: Optimus Weight: 3 oz Application: Cooking Fabric/Material: Hard Anodized Aluminum Stove Accessory: Wind Screen Features of Optimus Clip-On Canister Stove Windshield: Leightweight clip-on windshield Increases stove efficiency and substantially reduces gas consumption Fits every gas canister according to EN417 Compatible with pots with a max. diameter of 12.4 cm Easy packability (stackable with the Optimus Terra Weekend pot) Package Contents: Optimus Clip-On Canister Stove Windshield Optimus 191055-EE: Clip-On Canister Stove Windshield