AL-504 is a Dual Way Suction Gun.
It mainly features the following points:

1. Dual transfer way in single tool
    This suction gun has two flexible hoses. 
    One is for removing used oil in the machine, another is for adding new oil.
    It provides user a fast and clean method to finish two jobs at the same time.

2. Lightweight body
    The gun tube is made of aluminum, keeping the wight low.
    This design provides convenience for users to work throughout the day.

Tool Specification:

• Capacity: 500 c.c.
• Aluminum tube
• 2 pieces of 47" Flexible Hose (PVC)
• V-type reversing valve