Hanwha, Pipe Converter, Ceiling mount coupler (for pipe extension), Pack of 4, compatible with SBP-099HMW, SBP-120HMW, SBP-140HMW, SBP-160HMW1, SBP-180HMW1, SBP-200HMW, SBP-250HMW, SBP-315HMW, SBP-156HMW