A-SWD5CA2-CR: Pendant Mount accessory for CR-N300. Okay to use with 3/4" pipe install. For 1 1/2" Pipe install other accessories are required: 1' - 1 1/2" NPT Pipe (A-PIPE1F) or 3' - 1 1/2" Pipe (A-PIPE3F), and Bracket (A-CM100NPT)