Flettner Slimline Low Profile Vent Van Roof Vent Rotary Wind Driven Air Ribbed
Flettner Low Profile Vent Van Roof Vent Slimline Rotary Wind Driven Air Ribbed. Flettner Low Profile Roof Vent. Due to smart engineering Flettner has designed the Slimline in such a way that it‘Fits any Roof’.