Pressure Locking Baffles w/ EPDM - Good, Bad, or Ugly?

Anybody try this pressure locking baffles for a sump using EPDM weatherstripping?

I am thinking about trying this, but wanted to see if anyone had any positive or negative experiences with this.

Here is the link to the process: http://www.wetwebmedia.com/ca/volume_3/cav3i1/Baffles/baffles.htm
 
Been using this method for about 1.5 years now, no complaints...

Here's a thread where I made my current sump out of 2 20 long aquariums with the pressure fitted EPDM baffles:

http://www.dfwmas.org/Forums/viewtopic.php?t=20551
 
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