Nylon Mesh Monofilament Filter Socks Bag 50 Micron 7 Inch Ring by 16 Inch Long NMO Liquid Filter Bag Size 1-1Pack (50 Micron 7" x 16"): Amazon.com: Industrial & Scientific
RYOBI Electrostatic Sprayer 50 Micron Replacement Nozzle (3-Pack) A95501 - The Home Depot