AES Industries 45604 Siphon Fed Spray Paint Gun Lock-On Brass Mesh Paint Strainer 4 Pack Fits on the end of the fluid pick-up tube on siphon fed spray paint guns. Strainer comes with a metal locking ring that will secure the mesh strainer in place on the end of the fluid pick up tube. Brass Mesh Filter allows for your automotive paint to properly flow through while removing all undissolved pigment, dirt and dust that can ruin a paint finish. Brass mesh can be cleaned for multiple uses.