The product fits great and lasted more than 12 miles of hiking. It's great to have a 3 liter water tank available at an affordable price. Functionally, I give it a good rating. My Complaints: (1) One of the water spout hooks (one on each side) broke easily. It's a small part that can easily be replaced, but the seller (who I believe is also the manufacturer) says they don't have this part. You can't make this product without a part, so it seems a bit iffy. (2) Something other than a long spout must be available to block the water flow at the bottom of the water tank. This allows water to be stored (e.g. in a fridge or freezer) without a long hose covering the space and also makes it easier to fill.
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