Dometic U1550BL Fan-Tastic Roof Vent Screen (For Use With Ultra Breeze Vents, Bug Screen, Can Be Used With Black Or Smoke Vents) - BlackRoof Vent Screen; Fan Tastic ; For Use With Ultra Breeze Vents; Bug Screen; Can Be Used With Black Or Smoke Vents; Black The products produced by Fan Tastic Vent have expanded over the Year so that currently several models of fans and vent covers are produced. Fan Tastic Vent products are marketed primarily to the RV industry. We set out to build a high performance product which operated quietly and economically. Compatibility: Ultra Breeze Vents Vent