5 Gallon Resin Collection Bag Kit (1 ea 75, 100, 200 micron screen)5 Gallon Resin Collection Bag Kit Resin Collection methods are well developed these days, with a number of techniques that can serve for very small batches. However, even for small batches, but definitely up to large and very large batches you need the highest quality resin (rosin) collection bags. Ours come in 3 different sizes: 200 100 75 micron rated. 5 gallon Resin Collection Bags can process up to 1lb of material at a time independently, and even