Laboratory Flotation Machine (D12) | Sepor, Inc. Denver style D12. Equipped with 250, 500, 1000, and 2000 gram stainless steel tanks and one 1000g clear acrylic tank, two interchangeable adapting impellers and diffusing parts, transparent recirculating collars, one stainless steel attrition scrubbing kit, vanning plaque, magnet and mounted tachometer.Web