Provides optimum cabin ventilation : the entilating sail is rigged over the hatch and hangs from a halyard thanks to incorporated eyelet.
A fibreglass batten keeps it under tension.
Base dimension unfolded : 140 cm.

Ultra-light 100 % polyester : does not flutter in the wind and prevents any annoying whistling and flapping noise.
Trimmed with a reinforced band over the seams. for increased durability and optimum strain resistance.
Can be kept fairly taut and can cope with strong winds.