Description: Material: Plastic Size: 4.9x2.8cm or 1.91"x1.09" Color: Yellow Feature: 1. The conical honeycomb air inlet design effectively improves air circulation efficiency and reduces noise, suitable for various ventilation system requirements. 2. The honeycomb box has a stable import and export structure, excellent pressure resistance and air permeability, and is widely used in industrial and household scenarios. 3. The unique honeycomb design increases the appearance contact area, optimizes airflow distribution, and significantly improves equipment performance and energy utilization. 4. Ensure long-term use without deformation, providing a long-lasting and reliable ventilation solution for your equipment. 5. Easy to install and maintain, compatible with various specifications of interfaces, to meet the customized needs of different customers for efficient ventilation systems. Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1 or 10xconical bee inlet Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.