Will this work with a Source brand hydration system? I have the 3L Source used by the military and it has the o-ring style quick connect

The Sawyer Fast Fill Adapter is usually used with the Sawyer Squeeze Water filtration system. I provided a YT address below to show exactly how the FF adapter is meant to work with any hydration bladder.Personally, I prefer the Sawyer 3-Way Inline Water Filter for use with hydration bladders but I think you'll still need an additional male end for the top attachment. Also, consider the Sawyer Mini filter. Each Sawyer Mini @ $20, lighter then the Squeeze or the In-Line, reportedly filters 100,000 gallons. You just slip the ends onto the cut drinking hose without the need for any adapters at all.There are many videos re: this particular topic so best bet is to look around on YT. Something is sure to fit your current gear and or fancy. Good Luck!http://youtu.be/DAn4DBeMn2M

Does the female quick connect automatically stop water flow when it is disconnected?

No. There is no check valve of any kind in the mail or female end.

Can this be used for the mini filter?

Yes, check the 5-star review from "rick" on May 26, 2015. He has pics of the setup with his Sawyer Mini. It comes up as the first listed review for me.

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Products SP115 Fast Fill Adapters for Hydration Packs Blue/White,One Size

Product ID: 3542154

Details

Brand
Sawyer
Capacity
1 Liters
Included Components
3 adapters
Installation Type
Personal
Item Weight
0.3 Ounces
Material
Blend

⚡Fast fill in seconds

🎒Lightweight & portable (0.3 oz)

💧Compatible with 1/4-inch tubing

₨291

Duties & taxes included

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Stay hydrated, stay unstoppable—fast fill your adventure!

QUICK CONNECT DESIGN - Adapters attach easily to standard 1/4-inch inner diameter drinking tubes—no tools, no hassle.
UNIVERSAL COMPATIBILITY - Works seamlessly with Sawyer Squeeze, Micro Squeeze, and Dual Threaded MINI filters for versatile hydration.
REFILL WITHOUT UNPACKING - Fill your hydration bladder directly without removing it from your pack—ultimate convenience on the trail.
TRUSTED FILTRATION PARTNER - Backed by Sawyer’s reputation for advanced water filtration technology—clean water anytime, anywhere.
ULTRA LIGHTWEIGHT COMPACT - At just 0.3 ounces and pocket-sized, it’s the perfect packable hydration hack for long treks.

The Sawyer SP115 Fast Fill Adapters streamline hydration by allowing quick refills of your hydration bladder without unpacking. Compatible with Sawyer’s top-rated filters and standard 1/4-inch tubing, this ultra-lightweight, portable adapter set is a must-have for backpackers and outdoor enthusiasts seeking hassle-free, clean water access on the go.

Specifications

ASIN	B00EURFBKI
Best Sellers Rank	#38,948 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #776 in Water Bottle Accessories
Brand	Sawyer
Brand Name	Sawyer
Capacity	1 liters
Container Type	Tube
Customer Reviews	4.6 out of 5 stars 1,768 Reviews
Global Trade Identification Number	00050716001150
Included Components	3 adapters
Installation Type	Personal Container
Item Dimensions L x W x H	4"L x 1.5"W x 5"H
Item Type Name	Hydration Accessories
Item Weight	0.3 Ounces
Manufacturer	Sawyer Products
Material	Blend
Material Type	Blend
Model Name	Fast Fill Adapters
Model Number	SP115
Other Special Features of the Product	Portable
Part Number	SP115
Product Dimensions	4"L x 1.5"W x 5"H
Purification Method	Filtration
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	Portable
Supported Water TDS Level Maximum (PPM)	500
UPC	757183617548 050716001150
Warranty Description	Manufacturer Limited Warranty

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