Product Details Resources Downloads Product Details 1.5" NPT Threaded Pipe 8.66" ~ 14.57"1.5" NPT pipe already threaded and ready for assembly with Model: CMH, CMP and CMPT pending if you need a fixed or tilt ceiling plate. You can adjust from 8.66" in height up to 14.57". Lifetime Limited Warranty Resources DOCUMENTATION NPT1.5-8.66-14.57 Instruction