Here's what other sites are saying:
The SOURCE Quick Connect system offers pushbutton convenience and a tight seal even when reservoir is full (patent pending).
The Source SQC Quick Connect system offers push-button convenience and a tight seal even when reservoir is full.
Guyot Designs SplashGuard
Nalgene Insulated Water Bottle Sleeve
Platypus Bite Valve Cover
CamelBak Fresh Reservoir Filter
Platypus Bite Valve and Drink Tube Insulator Kit
$16 - $19
CamelBak Flow Meter
$19 - $23
MSR SweetWater Prefilter
$1 - $7