Outdoor Camping BBQ Cooking Stove Conversion Adapter 1LB Propane Tank Refill Adapter
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this connects well. but there are three problems. one as is it attached to the bottles as a rigid connect you do not know how much has gone in until you weight in after filling. two it connects directly so it can be hard to get it to fit in easily and get you bottles screwed on. three the bottles are large and need filping to fill them. you may need to stand the bottles upside down on a structure to allow space to get in to attach the bottles and turn the value this inture becomes a little unstable. but it does.
very good product
Works great
Bien fabriqué, pas de bavures, solide et fait pour l'utilisation qui y est destinée.