( 1-Pack 12" BP90 Bathroom Exhaust Fan Cover, 12-1/4" x 12" Vent Cover Replacement, Compatible with Broan-NuTone, Square Ceiling or Wall-Mount, Fits Models BP46 663 670 671 675 688 689, White

1. Dual-Size Compatible Fitted Accessories Advantages of the 12-inch Model: Enhances installation stability and improves user experience. Standard sizes are 99 inches and 1212 inches, with spring clip spacing of 7 inches and 9 inches, suitable for mainstream bathroom fan models such as the K/G/H/J-689-688 series. Users are advised to check the fan model and grille size before purchasing to ensure a smooth replacement. | 2. Stepped high-efficiency ventilation 360 Uniform Air Intake: The unique stepped grille design disperses airflow, quickly dissipates moisture and odors, and avoids direct wind and discomfort Anti-condensation construction: ABS plastic material reduces water droplet build-up and ventilation efficiency is up to 30% higher than metal lids | 3. Durable, outdoor-grade materials Thickened environmental protection ABS material: moisture-proof, rust-proof, high-temperature resistant (-20 C ~ 80 C), long-term use without yellowing and deformation Lightweight design that reduces the load-bearing pressure on the ceiling | 4. 3-step quick assembly and zero tooling Spring-loaded design: Quick-release design aligns with the fan frame and presses to secure, 3 minutes for a single person The 9-inch multi-set and 12-inch are equipped with an extended spring kit and non-slip gloves for installation stability and are suitable for special installation scenarios (e.g. thickened ceilings) | 5. Invisible beauty, suitable for a variety of scenes Pure white matte finish: Paper-shaped air vents that blend seamlessly with modern bathroom dcor and grille density optimised so that they cannot be seen from a distance Compatible with bathroom/kitchen ventilators and ceiling air diffusers