They make cheap small vacuums for computers and such with small brush. If you want a liquid they make an electric spray contact cleaner. I think that would just make the stuff stick to the board. Brtter of sucking it up IMOP.
They make cheap small vacuums for computers and such with small brush. If you want a liquid they make an electric spray contact cleaner. I think that would just make the stuff stick to the board. Brtter of sucking it up IMOP.
I replaced mine(day night) one at a time from Ebay when the price was right. Matched color per room/slide and if they where an inch or two narrow, I shimmed the sides of the valance by adding a small block of wood.i,e, 56"x35" about $65 each new with...