Napoleon Gas Venting

GD-180 Napoleon periscope kit. Includes: 1- periscope (GD201), 1- adjustable pipe from 28" to 54", 1- 24" pipe, 1-90 degree elbow, 1- 10'x 4" aluminum flex liner with spacers, 1-firestop, 1- black trim collar, and 3- decorative metallic black bands.