No need to get or refill a Nitrogen bottle again.    
Converts compressed air into Nitrogen. 

For perfectly clean, extra strong plastic repairs without the fumes. Simply plug it into your power supply and your shop compressed airline and it’s ready to weld in about 3-5 minutes with nitrogen gas.

Includes

• Mobile trolley / cart
• Plastic cleaning knife
• Smoothing roller
• Built in hot stapler
• 100 Pre-cut Squiggle staples 0.7mm
• 100 Pre-cut Inside Corner Swiggle staples 0.7mm
• 100 Pre-cut Winding Staples 0.7mm
• Sample pack of PP welding rods. 

Made in Italy.

Videos: 
Repairing A Cracked Bumper

Plastic Welder Perforation Hole Repair