H2JO

Comments about GSI Outdoors H2JO:

Used with Nalgene 1 Quart/Liter water bottle to brew (French Roast) coffee.
It made a great cup of coffee from the first brewing!
Impressed with the beefy steel screen; traps all the fresh grounds within itself, and it cleans out completely by simply flushing water on it from the outside.
Followed the accompanied instructions when I made the first pot and only got a cup of coffee out of the ordeal when coffee spilled all over the kitchen counter and sink.
What was missing from the instruction is the fact that the device will loosen up substantially from the water bottle a few seconds after adding hot water as the materials on the H2Jo, the bottle's screw-on lid, and bottle will expand.
To remedy this situation, retighten both the H2Jo and the bottle's screw-on lid a few seconds after pouring hot water into the bottle.
When removing the H2Jo from the bottle, it'll be easier to unscrew the H2Jo from the bottle prior to removing the bottle's lid.
Also, to prevent having a major spill, DON'T pour from the bottle using the screw-on lid as a handle; it'll fall off from the bottle's neck as it's hot!
Instead, I used a towel to pour the coffee into a cup.
The physical product itself, I'd rate it as 5-Stars.
Overall, I'd give it a 4-Stars as the first-time user who follows the instruction in using this product may be injured using this product.