Model 20 SS Combo Airless Foamer

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Designed for 3.5–5.5 GPM pressure washers. The Model 20 Stainless Steel Combo Airless Foamer / Sprayer Kit is an airless foam and spray applicator featuring a quick connect chemical injector that attaches to a pressure washer outlet. This venturi unit draws and blends chemical concentrate into the water stream to create an accurately diluted solution. The solution then flows through the hose and gun to the airless foam wand which injects atmospheric air to create and project wet, clinging foam on to surfaces up close or at distances up to 25 feet with interchangeable fan and zero degree nozzles. Quick connect the fan pattern sprayer nozzle to apply non-foaming chemicals.

  • $438.49
  • Weight
    7 lbs
  • SKU

Key Features

  • Designed for use with 3.5–5.5 GPM pressure washers
  • Draws chemical out of any sized container and accurately dilutes to the required ratio (7:1 and leaner)
  • Chemical injector at the pressure washer output eliminates the need to carry chemicals
  • Quick connect the airless foam wand to project wet, clinging foam
  • Foam increases chemical contact time and effectiveness, and provides visual confirmation of coverage
  • Foam impacts at a lower pressure than spray, allowing a pressure washer to be used on more delicate surfaces
  • Use the fan pattern foam nozzle for wide coverage or the zero degree foam nozzle for increased range (up to 25')
  • Quick connect the fan pattern sprayer nozzle to apply a chemical spray
  • Your equipment is protected because no chemical passes through the pump
  • Industrial-strength, all stainless steel design ensures durability and reliable performance
  • Available as a "high concentrate" model to achieve 5:1 concentration for tough jobs (#969720HC)
  • See other Lafferty high pressure applicators in Catalog 3


  • 3/8" quick connect machined stainless steel injector body
  • 6' chemical suction tube and strainer
  • 20 color-coded precision metering tips to set dilution ratios
  • 1/4" quick connect machined stainless steel airless foam wand with fan and zero degree nozzles
  • 1/4" quick connect fan pattern spray nozzle 

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