Lemans model 02-220 motorized vent with V12 louvered interior closure 35-2540 from G & C systems in the Netherlands. Low noise 52DB(A) fan is great for vans. 12VDC 7A (80w) at highest speed of 2600rpm creates air flow of 500 ft3/min. Mounting flange is ABS and cowl is PA6 nylon. 9.125" ID hole required in roof. Flange is 12.28" OD.
Interior closure can be either manually or electrically closed. These vents are different from typical RV vents in that the air closure is on inside. Unique design of fan surround and cowl keeps moisture out. Interior closure is 11.41" diameter and 3/4" thick.
These vents do not include a plenum to bridge the gap (space) between inside of roof and top of ceiling panel. AC foam seal can be used to do this.
Foam seal: https://amzn.to/3DKwPJb
Weight is 4lbs 7oz.
We produce patent pending mounting adapters to fit contour of van roof. They are not included unless you select it "with adapter". Please make note of van make, year and model in notes at purchase. We will contact you to verify position. We highly recommend using our adapter to mount this vent.
DISCLAIMER: Van owner and/or installer assumes all risk associated with roof top mounted items and/or components. Van owner and/or installer recognizes and agrees that this product, and each of its component parts, is sold "as is" and that seller makes no representation or warranty of merchantability that the product is fit for any particular purpose.