3M OV P95 Paint Project Reusable Respirator Mask, Size Medium 6211PA1-A - The Home Depot
3M Blue Reusable P95 Adult Medium Painting Safety Mask in the Respirators department at Lowes.com
Amazon.com: 3M Professional Paint Respirator, Recommended For Spray Painting And Jobs With Solvents, Long Lasting Comfort, Medium, N95, 7512PA1-A : Tools & Home Improvement
Best face mask for model making - Tested by ModelRailwayEngineer.