Thank you for looking. I am listing a septic tank product for toilets that has been stored unused. I purchased it for use, but it is no longer needed, so I will be giving it to someone who can use it. Roebic has over half a century of proven results in the United States. It is a product suitable for the maintenance and reduction of septic tanks and pit toilets. Patented high-performance bacteria work in both anaerobic and aerobic tanks to powerfully disperse accumulated sludge and paper in septic tanks. It helps with septic tank chemical treatments, toilet deodorization, pest control, and reduction of maintenance costs. For Maintenance K-37JD This is a bio-preparation optimal for the maintenance of septic tanks. By using it regularly 3-4 times a year, you can enhance the function of your septic tank and prevent the occurrence of pests and bad odors. It also stabilizes the water quality of the septic tank, leading to reduced maintenance costs. Contents: 946ml The shipping method will be to wrap the bottle container with cushioning material. Thank you.