The Piston Head, located within the Main Cylinder, features two O-rings (sold separately) that form a seal to prevent product leakage from the Main Cylinder. As the product is drawn through the Rotary Valve and into the Main Cylinder, the Piston Head pushes the product back through the Rotary Valve, out through the Dispensing Nozzle, and into the product container.

Product Specifications:

• Material: Nylon Plastic
• Outer Diameter: 21mm (0.82”)
• Length: 36mm (1.42”)

*O-rings NOT included

Compatible with:

• E-FP-50
• E-FP-50-D
  

California Residents: read Proposition 65 warning.