Looking at the universe of stocks we cover at Dividend Channel, on 8/28/13, Met-Pro Corp. ( MPR) will trade ex-dividend, for its quarterly dividend of $0.0725, payable on 9/13/13. As a percentage of MPR's recent stock price of $13.67, this dividend works out to approximately 0.53%, so look for shares of Met-Pro Corp. to trade 0.53% lower — all else being equal — when MPR shares open for trading on 8/28/13.Below is a dividend history chart for MPR, showing historical dividends prior to the most recent $0.0725 declared by Met-Pro Corp.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from MPR is likely to continue, and whether the current estimated yield of 2.12% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of MPR shares, versus its 200 day moving average: Looking at the chart above, MPR's low point in its 52 week range is $8.37 per share, with $15.21 as the 52 week high point — that compares with a last trade of $13.55. According to the ETF Finder at ETF Channel, MPR makes up 1.90% of the Environmental Services ETF ( EVX) which is trading lower by about 0.2% on the day Monday. In Monday trading, Met-Pro Corp. shares are currently trading flat on the day.