Features: Brand new and high quality Flow Adjustment: Our foam Guns allows you to adjust the flow rate and dispense foam, making your work more efficient. PTFE Coating: The expanding foam Guns is cover with PTFE, easy to clean and preventing foam from spilling. ErgonomicS Design: Selected from ergonomics plastic for long use. The distance between handle and the adjustment knob have been adjusted for more comfortable. Use: Our foam dispensing Guns is perfect for sealing, filling, and insulating small gaps in door, bathtubs, air conditioning hole, and more. User-Friendly: Before use, please read the operating manual carefully. Also, remember to release air and foam pressure for first use and any maintenance, and clean foam guns immediately after every use. Specifications: Material:Stainless Steel Package Includes: 1Pc Foam Guns note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.