The most advanced cover ever, available in the same popular colors as the original vent cover. The New MAXXAIR II has doubled the vent opening compared to our original vent cover and it includes our exclusive easy to open hinged brackets, you simply cannot buy a better vent cover. Exclusive side louvers provide unsurpassed cross ventilation.
Aerodynamic shape maximizes vent area and mounts to the same holes as the MAXXAIR original vent cover. Stainless steel snap lock pins remove for easy access. Hinged brackets provide full access for cleaning and inspection of roof vent seal.

MAXXAIR II Features:

6-year warranty, best in the industry
Twice as much vent area as our original vent cover!
Hinged hardware included for easy opening and cleaning . No Tools Required
Solid one-piece, sleek aerodynamic design
Lets in Fresh Air Anytime... Rain or Shine!
Stale Musty Air, Smoke, and Cooking Odors Escape While Rain Stays Out
Prevents Heat Build-up
Made of High Density Polyethylene with maximum UV Protection.
Available in Translucent White, Smoke Tint, and Black.
Can be safely installed over high powered RV ventilator fans; however our FANMATE® is specifically designed for this application allowing higher air flow from your existing ventilator fan.
Fits over most 14" x 14" Standard Roof Vents
Installs easily! (See our Installation Guides)