Testing a P-Wave

I'm sure most gents have encountered one of these mats in a pub urinal, especially used on waterless systems. I wondered if it would freshen up the cassette toilet? I ordered one with spiced apple aroma at £3.80 inc. postage. It was advertised that it could last up to a month in commercial use, so I figured it would last a lot longer with just two of us. The spiced apple was a little overpowering to start with, but settled down. It actually lasted two and a half months. We replaced it with an ocean mist one which has a more subtle aroma,