Amazon.com: BP46 BP90 Bathroom Ceiling Fan Grille with Springs for Square Ceiling or Wall-Mount Exhaust Fan Replacement Vent Cover Fits Models 663 670 671 675 688 689 Ventilation Fan,9-1/4" x 9" Fan
Amazon.com: 97011723 Bathroom Ceiling Fan Grille with Springs Replacement Parts for Square Ceiling or Wall-Mount Exhaust Fan Fits Models 663, 670, 671, 675, 688, 689 Ventilation Fan - Plastic Cover White : Tools & Home Improvement
Broan-NuTone 688 Ceiling and Wall Ventilation Fan, 50 CFM 4.0 Sones, White Plastic Grille - Walmart.com
FAN EXHAUST BATH 50CFM by NAUTILUS MfrPartNo 688 - Amazon.com
Amazon.com: BP46 BP90 Bathroom Ceiling Fan Grille with Springs Replacement Parts for Square Ceiling or Wall-Mount Exhaust Fan Fits Models 663 670 671 675 688 689 Ventilation Fan -Plastic Cover White : Tools & Home Improvement
Broan-NuTone 688 Ceiling and Wall Ventilation, 50 CFM 4.0 Sones, White Bath Fan - Built In Household Ventilation Fans - Amazon.com
Broan 688 Ventilation Wall or Ceiling Mount Fan Parts