HomeRight C800956 Atomizer Valves for Stain Sprayers, 4-Pack Home Right Stain Sprayer Atomizer valves 4 Atomizers included 2 Fan Atomizers and 2 Cone Atomizers Works with Home Right Light Duty Stain Sprayer Also works with Home Right Project Power Steiner, Pro 5.0 and Pro 5.5 sprayers