GM13 & GM16 vent frame is out of stock until April.
Price: $39 - $50
AVAILABILITY:
Availability: In Stock - Usually ships in 1 to 2 days.
VENT SIZE:
This is a replacement roof vent frame for the Grow More greenhouses. Parts include: (1) L15A, (2) L19, (1) L20, and (1) L21 (polycarbonate panel and hardware not included)