Piston Head Sealer-Tunnel Combo systems EASY TO DRESS: Color-coded yellow

EASY TO DRESS: Color-coded yellow shoulder straps and black leg straps

Ergonomically designed

time according to the bag's specific requirements

HIDEAWAY HOODIE: Hidden pocket at the back of your collar allows you to roll up your hoodie and discretely tuck it away when not in use

Piston Head Sealer-Tunnel Combo systems EASY TO DRESS: Color-coded yellowThe Piston Head is located inside the Main Cylinder. The Piston Head has two O rings (sold separately) which create a seal in order to keep the product from leaking out of the Main Cylinder. Once the product is drawn through the Rotary Valve and into the Main Cylinder the Piston Head will then push the product back through the Rotary Valve and out through the Dispensing Nozzle and into the product container. Product Specifications: Material: Nylon