Just tried out my Klymit pump on my Klymit Static V mattress and it worked great. The pump unfolds from a small bag and self inflates thanks to foam inside which is also how the pump works. I was able to get the mattress real firm. A great $14 investment

I'm not sure if the pump would work on other mattresses without perhaps using a short piece of rubber hose to connect the two but it might be worth it given how inexpensive and easy to use the pump is.