A1-150 circular: For 15cm to w baffle 1P/.5P，size 150mm. -150 square: For KY-25 1P，size 150mm. Portable,, easy to install, portable air conditioner accessories. 1 Air Conditioner Connector. B1-160 circular: For KY-26 N7Y-PQ Large 1P，size 160mm.
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