"MeMe" wrote in message
news:mfCOd.57797$mt.13237@fed1read03...
SNIP
I think this is absolute hogwash!

Nobody is forcing you to buy their brushes. They work as promised on
my sensors.
SNIP

I encourage everyone to go to an art supply store and buy a high
quality nylon brush for a couple of dollars, and a can of compressed
air. Voila!

Why don't you take your own advice?

Bart