This Pond Aeration Cabinet W/115V Fan Measure 16 ½”W x 22”L x 19”H. Deluxe lockable Pond Aerator Cabinets W/115V Fan are a great value. This improved design cabinet can be used to hide and protect compressors for our aeration systems. Cabinets are constructed from 14 gauge galvanized steel with a green, powder coat finish. Each cabinet has knockouts for up to six airlines and one knockout for an incoming electric line. A stainless steel lock protects against tampering. The optional cooling fan provides air flow over the motor which results in cooler operating temperatures. Cooling fans are recommended for hot climates and on all compressors over ¾ HP. These Deluxe Lockable Pond Aerator Cabinets can be wired for either 115 Volt or 230 Volt Electric cooling Fans and Compressor Units.