A trash trap for liquid manure disposal systems that has a cylindrical housing with an open interior. The housing has a first end with an inlet port and an outlet port in its side wall. The cylindrical housing also has a removable cylindrical filter that has a fluid opening in its side walls and is detachably mounted along a centerline of the housing. The cylindrical filter has a diameter that is less than the inner diameter of the housing so that fluid can enter the housing through the inlet port and exit through the outlet port. Also, on the second end of the housing there is a detachable cap around an access opening.