The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc.
O higgins roof vents.
Air vent 1 500 cfm black galvanized steel electric power roof vent.
Today o hagin has local and national testing approvals.
Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
From its founding roots as a roofing company over 40 years ago o hagin has grown into a nationally recognized designer and producer of top quality state of the art attic ventilation solutions.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
Is recognized for its industry leading efforts in research development and testing.
For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below.
And holds multiple domestic and international patents with many more pending.
Here a video on how i install a o hagin vent on a shingle roof.