【Adjustable Telescopic Design】Fits 22.8-35.4in/58–90cm ceiling air conditioners with a retractable length, this vent deflector 4-piece set covers all air outlets, adapting perfectly to different central sizes 【Porous Wind Deflection Technology】Evenly distributed micro-holes diffuse strong airflow, eliminating direct cold wind blasts, this air vent deflector protects against cold drafts, ideal for offices and homes 【Easy Installation】Easy clip-on design hooks securely onto ceiling units without screws or drilling, this ac vent deflector is stable and vibration-resistant, no risk of falling during long-term use 【Reinforced Curved Structure】The arched shape maintains airflow direction without blocking cooling efficiency, this ceiling vent deflector with thickened plastic material resists warping, ensuring consistent performance 【Full-Unit Protection】This 4-way air flow deflector 4-piece design surrounds all air outlets, preventing uneven cooling and condensation drips, creates a comfortable, draft-free environment in every corner of the room