Amazon.com: HILTEX 31229 Air Texture Gun with 1.32 Gallon Hopper, 3 Nozzles: 4.0mm, 6.0mm, 8.0mm, Drywall Texture Sprayer for Stucco Mud or Popcorn on Walls and Ceiling, Knockdown, Spray Gun with Handle :
Drywall Texture Sprayer,Air Texture Gun 1.5 Gallon with 3 Nozzle (4.0mm/6.0mm/8.0mm) for Orange Peel Knockdown(Blue) - Amazon.com
Laco TG950 Hand Pump Drywall Texture Gun | Timothy's Toolbox
Husky 1.75 Gal. Hopper Gun Texture Sprayer with 3 spray tips 82232 - The Home Depot