The air-conditioning fan wheel is installed in the wall-mounted split AC indoor unit. It is used in conjunction with the fan motor to achieve an indoor air cycle so the cold air can be supplied to the room. Specification Color: Green Material: Plastic Mounting Method: External Fixation Size: 85 x 596 x 85mm/3.35" x 23.46" x 3.35" (L*W*H) Packing List: 1 x Air Conditioner Blower Fan Wheel Advantage Made of durable plastic, good high and low-temperature resistance. Instruction 1. First unplug the air conditioner, and remove the panel, air deflector, evaporator, etc. of the indoor unit. 2. Then loosen the screw on the fan wheel shaft and motor shaft, pull out the old fan wheel, and replace it with the new one. 3. Finally, clean the surface of the indoor unit with water or detergent if needed. NOTE This cross-flow fan wheel is suitable for most standard mini-split AC, but please measure your old fan wheel before purchasing.