Review on FOUR UNCLES 2L Vacuum Brake Bleeder Kit - Air 🔧 Brake Bleeder with 2L Brake Fluid Extractor and 1L Refilling Bottle by John Swain

I'm giving 5 because the rating is going up. BUT, this thing does NOT work! I wasted an hour and a half. Half trying to get this thing to work. Air has entered my braking system. I couldn't get a steady flow of brake fluid into the hose. After much frustration, I used the tubing by inserting it into a hole I had drilled in the cap of a Gatorade bottle. I did a manual pumping by 2 people. It's a waste. The only good thing was the brake line with the black suction cup for the nipple. I would avoid it. Save yourself valuable time and frustration by not buying this.