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 :
Homax Pro Gun and Hopper for Spray Texture Repair 4670 - The Home Depot