Biophosko® with the dimension ( Height= 100 cm, lebar= 67 cm, length= 90 cm) made of fiber resin and others aeration tools. Composter Biophosko® ( Rotary Klin Type) is a perfect solution to overcome household trash problem at the city-that dominated by organic trash such as traditional restaurant, hotel, and also domestic' s trash that comes from households. Organic trash categories ( degradable materials) including food remnants, papper, residu of fish bone, fruit peel, pieces of vegetables, etc) . Convert organic trashes into something usefull-which is compost-that' ll usefull to maintenance the fertile of the soil and as nutrient supllier to the plants around the environments like the public' s resident, hotel, restaurant, public' s environment, home gardening etc. Compost can also sells commercially to farmers, garden owners, to everyone who has hobbies in plantation, florist and gardening.