After a year of almost 24-7 use, my Optima died. I tried replacing the diaphragms with no luck so I ordered the repair module. Took me less than 5 minutes to replace the module and the pump was back up and working better than new. It's been over 3 months since I've done the repair and the pump is still going strong. I've ordered another repair module to have on hand for future use.
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2 of 2 people found the following review helpful:
Great replacement item for my Optima Air pump!
By Rick from SAN DIEGO, CA
On July 23, 2011:
The item fit prefect. It came sooner than I expected. And it worked!