Manual Pump...

• Multiple
  Use Foam Pressure Washer: Quick interface foam bottle sprayer not only
  be used for garden, lawns care, but also for household cleaning, car
  /window washing, etc.
• EASY to Use: fill some soap into the
  bottle with water to get thick foam; comes with 3 adapter, which can
  achieve the desired spray.
• Quality Material: Made of thickened PP material, durable enough to avoid damage from drops.
• Pressure Washer: 55° spray angle, wide coverage, improve foam coverage and cleaning effect.
• Multifunction
  Car Wash Foam Bottle: Manual pump sprayer is designed for garden
  spraying, kitchen stain rinsing, car detailing cleaning,and other
  cleaning tasks.

1 Foam Bottle