One Size Fits AllSleek and quiet, these new Prime Inline water chillers feature higher BTU compressors and a larger condenser that allows higher air flow and more efficient cooling. The slender shape and small footprint of the Prime Tower chiller allows them to fit under almost any size aquarium and preserves precious space. Cooler By DesignSqueezed under the housing is a high BTU Matsushita compressor and fan that efficiently chills water while keeping silence a virtue. The black molded housing blends well into any decor. Recessed handles make moving and lifting easy. The Titanium EdgeCorrosion resistant titanium heat exchanger backed by a lifetime warranty offers the peace of mind you've always wanted. The custom molded evaporator is completely insulated and is configured to provide maximum exposure to the titanium coil - simplicity at its best. Integrated ThermostatDigital dual stage controller automatically controls the water chiller and rear-mounted heater port (heater not included.) Simple keypad programming display with constant temperature readout accurate to +/-1°F. What's IncludedEach Prime Tower Chiller includes an integrated dual stage digital temperature controller, 3/4" & 5/8" tapered inlet/outlet barb fittings, 6 ft. power cord and instructions. PRIME TOWER SPECIFICATIONS | HP | BTU | Amps/Volts | Flow (gph) | Inlet/Outlet | Temperature Range | Thermostat Type | Dimensions LxWxH | 1/4 | 3450 | 5.6/115V | 300-600 | 3/4" & 5/8" | 50°- 85°F | Dual Stage | 17" x 10" x 17" | 1/3 | 4150 | 6.2/115V | 300-600 | 3/4" & 5/8" | 50°- 85°F | Dual Stage | 17" x 13" x 17" | |