Product Description
"Turn your Sawyer screw-on/off filter into an inline filtration system for your hydration pack with this simple accessory Screw the connections onto the each side of squeeze filter, then insert the filter inline into your hydration pack drink tube Compatible with the Sawyer Squeeze Filter and the Sawyer Dual Threaded MINI Filter (not included) Designed for use with industry standard 1/4-inch inner diameter tubing "