Here's what other sites are saying:
Don't risk leaking your water supply all over the place; replace the top on your Platypus hydration system or bottle with Platypus's secure Push-Pull Cap.
- Mountain Gear
Platypus Camp & Hike Push Pull Cap 7043. The package includes two caps.
Provide yourself with quick access to your water and a consistent flow by threading on the Platypus Push-Pull Cap/Closure Cap. This cap fits on all platypus water bottles and any reservoir with a threaded opening to make it easy for you to hydrate during big hikes and camping trips.
Platypus Push-Pull Cap is a great way to stay hydrated on the go with your Platypus bottle. Comes with two Push-Pull Caps, just in case you lose one. Clear plastic cap keeps mouth piece clean on the trail. An easy way to drink from your Platypus bottle on the go, from Platypus Hydration
- Tahoe Mountain Sports
Where to Buy
Platypus GravityWorks InLine Push-Pull Cap Adapter
$6 - $9
Guyot Designs SplashGuard
Platypus Bite Valve Cover
$3 - $5
Nalgene Insulated Water Bottle Sleeve
$9 - $16
Hydro Flask Standard Mouth Loop Cap
$21 - $29
Platypus Bite Valve and Drink Tube Insulator
$9 - $19