The research aims to assess the ability to treat slaughterhouse wastewater by using biofilter at one small slaughterhouse in Ben Tre province. The research was conducted by building a biofilter tank model and observing the formation of biofilm. The treatment capacity of pilot model was explored and evaluated using four different parameters including: TSS. BOD. https://www.jmannino.com/mega-grab-Cashel-Tail-Bag-top-buy/