Grandio Ascent Roof Window Vent.

Additonal Grandio Ascent Roof Window Vents will fit as listed:

• Not available for 8x8 Ascent Greenhouses as the roof vents may not be placed next to each other.
• 1 additional - for 8x12 Ascent Greenhouses
• 2 additional - for 8x16 Ascent Greenhouses
• 3 additional - for 8x20 Ascent Greenhouses
• 4 additional - for 8x24 Ascent Greenhouses

• Shipping Weight: 2 lbs