re: Akorn or WSM?

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In October 2008, Weber announced the improved Model 721001 18-1/2" cooker and the larger Model 731001 22-1/2" cooker.

Improvements to the Model 721001 18-1/2" cooker included:

Built-in lid thermometer with 1.5" stem. Temperature range of 100-350°F in 5°F increments. Improved access door. Door handle indicates locked position. Latching mechanism pulls door tight to middle cooking section. Clever new design allows the door to be removed entirely or have it open downward but still attached to the cooker—without hinges. Improved water pan. Two-gallon capacity. More solid fit on grill straps. Slightly less headroom between bottom of water pan and charcoal chamber. Sturdier legs. Heat shield mounted to the legs under the charcoal bowl protects patio or deck. Improved packaging protects the product during journey from factory to front porch. Updated owners manual operating instructions and modern recipes.

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