Fusion Series treatment systems from Clarus Environmental Products are drop-in wastewater treatment units designed for decentralized applications where effluent quality needs to meet or exceed secondary treatment standards. Units are designed for residential, commercial and small-community applications. They are available in treatment capacities from 450 to 4,000 gpd and can be installed without a pretreatment tank. Effluent disposal options include conventional trenches, dosed systems, drip irrigation or disinfection with direct discharge. 800/928-7867; www.clarusenvironmental.com.