I just saw and and replied to this post of yours in the exclusively pumping board...

I have the medela pump in style advanced (backpack version). it came with a cooler (including ice pack) and battery pack, so it's travel ready. I also picked up some wipes for the pump so I can clean it when I don't have access to a sink. it's an expensive pump, but I got it free through my insurance.

Yeas! ??the Mandela manual harmony!! It's like $30 at Wal-Mart and worth every penny and more!!

I've never used my electric pump outside of the house so I'm no help there, but this is the manual pump I have. I use it more than the electric one:

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I only have a double electric pump. Any suggestions using this hardware?

If not, any recommendations for a manual pump?

Thanks ladies!

I second what @Marla said. Manual pump, rinse with cold water, put in a plastic baggie. Keep a cooler with and ice pack in your car for storage

If I only need to pump once I take my hand pump. Much easier to tote around and the parts can easily be rinsed and bagged then fully washed when I get home.