What stops (contaminated) water on the outside of the collection bag from dripping into your clean bottle? All pics show bag above clean bottle

MikeMy Sawyer Water Filtration kit as pictured included gaskets that, when the bottle is tightened correctly prevents any contaminated water from entering your clean water container. I have several of these, one in each bug out bag and they are an excellent item. Very reliable. I have even use these on less-than-desirable water sources with zero problems multiple times.

is there a difference in the colors?

No, the color does not mean anything. Although it is helpful if you will be in a group of hikers carrying their own filters, as it helps to identify which filter belongs to which person. But the color does not mean anything.

Could scouts use this esaily and also could you turn this into a gravity filter

It is very easy to use. Just one precaution, Use care not to contaminate the filter like all water filters.It will screw onto any water/soda bottle and comes with a 1 liter bag. I force the water through myself, but you can gravity feed with some rigging. I love mine and is very small for what it can do. If you are using lake or river water in Florida, I would still boil or treat the water to be sure. If you are up in the mountains and have fast moving stream, I would have no problem drink without treating/boiling.

If I add Propel or Gatorade powder to the water will the filter take out all of electrolyte benefits?

I'm not sure. However, you can use the gravity feed bag and put the clean water in a container then add the powder.

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💧 Stay hydrated, stay ahead—clean water on demand, wherever life takes you!

BUILT TO LAST - Backflush plunger extends filter life up to 100,000 gallons—reliable for years of adventure
POCKET SIZED POWER - Fits in your palm and weighs less than a smartphone—carry clean water anywhere
TRAVEL READY DESIGN - Perfect for global travel, camping, and emergency prep—never compromise on water safety
VERSATILE HYDRATION - Connects to bottles, hydration packs, or drink straight from the source with included straw
MICROFILTRATION MASTERY - Removes 99.99999% bacteria & 99.9999% protozoa for pristine hydration

The Sawyer SP105 MINI is a compact, ultra-lightweight water filtration system featuring a 0.1 micron absolute filter that removes 99.99999% of bacteria, 99.9999% of protozoa, and 100% of microplastics. Weighing just 2 ounces, it fits in the palm of your hand and filters up to 100,000 gallons. Designed for outdoor enthusiasts and travelers, it easily attaches to standard bottles, hydration packs, or can be used with the included straw and pouch, making it the ultimate portable solution for safe drinking water worldwide.

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Brand	Sawyer
Model Number	SP105
Color	Black
Product Dimensions	10.16 x 7.62 x 20.32 cm; 45 g
Capacity	0.5 Liters
Material	Plastic
Special Features	Back Flush plunger included for longer life
Item Weight	45 g

Sawyer Products SP105 MINI Water Filtration System, Single, Black

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