I agree 10000%. It is just about impossible to get replacement lights in the US, there aren't any more domestic Morette dealers AFAIK. Even when they were available they were about $100 apiece and you usually had to order one and wait for it. Note that the lenses alone were never available, you had to replace the entire lamp unit.
You can get pre-cut film for the Morettes from a few vendors, however it's a lot cheaper to do it yourself. For mine I ordered a 1-sq-ft raw sheet from www.xpel.com and cut out 4-4" circles to apply to the lenses. The Xpel film has protected my lights well for over 5 years from both "sandblasting" and direct hits from rocks and who knows what else. I did have to replace it once after a few years due to it getting a bit cloudy, but that was no big deal compared to replacing a light due to breakage.