on all orders to the lower 48 states
DuraVent Direct Vent Pro Vinyl Siding Standoff is used to protect vinyl siding and other temperature sensitive material near the vent cap from warping and melting. This is for horizontal venting only.
The DuraVent Direct Vent Pro Vinyl Siding Standoff is used for horizontal venting applications where temperature sensitive material is near the horizontal vent cap. This will prevent any warping or melting to vinyl siding. Use the square horizontal vent cap only.