Product details:

Active Ventilation Products roof louver product line, the Pop Vent, is excellent for venting attic spaces on shingled sloped roofs. Dia roof vent with a 1 in. collar height and an 19 in. x 19 in. sq. flange. It is powder coated with an electrostatic charge in black semi-gloss finish. The powder coating finish adheres extremely well and is more difficult to remove than wet paint which adds to the vents durability and long lasting clean appearance. Model PV-14-C1-BL will alleviate moisture in the winter and heat in the summer to extend the life of the roof and building structure. The Pop Vent roof louver product line has a manufactured one piece spun aluminum cap that is leak proof and corrosion resistant. It's designed for superior exhausting performance. Its round covered vent cap has a lower louver section. This lower louver allows hot air to escape freely and efficiently, never trapping it up in the vent cap. The Pop Vent roof louver models have a built-in inner vertical louver cylinder to keep out birds, insects and animals that can clog the vent. The inner vertical louvers allow air to exhaust without resistance. Its round aerodynamic design can with stand harsh weather and wind forces up to 200 MPH. The Pop Vent roof louver product line has proven to be the recommended choice for exhausting attic spaces.