PROBLEM TO BE SOLVED: To provide an odor control tool for plaster trap, capable of easily preventing odor generated from a plaster trap over a long period of time.SOLUTION: The odor control tool includes an aerobic microbe group carrier supporting an aerobic microbe group a microbe group holding body formed by braiding fibers so as to have voids in the inside and installed to surround the circumference of the aerobic microbe group carrier and an outer casing 100 housing the aerobic microbe group carrier and the microbe group holding body. The outer casing 100 includes an inflow port 139 and a drainage port 105. The drainage port 105 is provided at a position where water is discharged with the aerobic microbe group carrier and the microbe holding body being dipped in water.COPYRIGHT: (C)2012,JPO&INPIT【課題】容易且つ低コストで長期間にわたって石膏トラップから発生する悪臭を防止することができる石膏トラップの悪臭防止具を提供すること。【解決手段】好気性微生物群を担持している好気性微生物群担持体と、内部に十分な空隙を有するように繊維を編み、好気性微生物群担持体の周囲を囲んで設置される微生物群保持体と、好気性微生物群担持体と微生物群保持体とを収納する外装容器100とを具備する。外装容器100には流入口139と排水口105とを設ける。排水口105は好気性微生物群担持体と微生物群保持体とを水に浸した状態で水を排出する位置に設けられる。【選択図】図1
