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Title: bad quality
Review: I had used the product before and was very satisfied with the foam, but in the last three cans that I tried, two of them did not spray. Brand news cans, but the valves seemed to be defective, or the foam had dried on the inside. The foam leaks from the bottoms of the rubber seal, but none through the proper opening. It would seem, that the cans are not being manufactured rightly, and DOW doesn't seem to care.
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