Stelpro BATH FAN 50CFM 1.7 SONE - This range of economic and effective bathroom exhaust fans will certainly meet your needs. Their white and modern grills blend in with most decors. These fans fit perfectly to 3 or 4-inch air outlets. You only have to choose the proper capacity!
Broan Nutone Ultra Green ZB110MLC Polymeric Grille Multi-Speed Ventilation Fan with Light and Motion Sensor, 30 - 110 cfm, Less Than 0.3 Sones, 120V at 60Hz, 1A, 3.9 - 9.3W