You do have to get yourself centered on the float, but then it is so comfortable. Floats great. Took a little work to get it assembled -- yes, you have to put the cover on the float portion and inflate it.
I use this pump to partially inflate the pontoons on my inflatable boat. This pump is very fast and brings the pontoons up to about 1 psi very quickly. I then switch to a true high pressure pump to finish off the chambers with 3 psi. This pump has enabled me to cut my inflation time in half. Great for float tubes also.
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