You can put a mesh bag on the washer discharge to catch fibers before they go down the drain. Some people use nylon stockings, but the mesh used as a sock arou

You can put a mesh bag on the washer discharge to catch fibers before they go down the drain. Some people use nylon stockings, but the mesh used as a sock around drain tile piping works very well. It can be bought in bulk at big box home improvement stores. It's amazing how much fiber this will catch. If you have a septic system, keeping the synthetic fibers out of it is a must.