tyconnell
Well Known Member
So, I bought the fiberglass training kit from ACS, and it contains 2 bags that are unmarked. I'm assuming one is 403 cotton micro and the other is 407 filler as these are the only 2 unanswered for items, but I don't know which is which.
Can someone tell from looking at the photo?
Can someone tell from looking at the photo?
![403vs407.jpg](/proxy.php?image=https%3A%2F%2Fwww.n997tl.com%2Fimages%2F403vs407.jpg&hash=8015e3dc64836c680beb9ae6e0186a30)