Standard Cabinet: 16 1/2" x 22"L x 19"H - will hold all compressors up to RV100 or multiple smaller units with stainless steel lock to protect against vandalism. 14 gauge galvanized steel with powder coat paint finish. Includes a compressor mounting base to keep compressor up off floor. Tapered lid - makes front wall shorter allowing easier access to compressor. Has six 1 1/4"knockouts for airlines and one knockout for incoming power. Optional fans recommended on any compressors operating in hot climates and on 3/4 HP and larger in all climates. Deluxe Cabinet: Above cabinet with cooling fan and electrical box installed. Electrical box has 1/2"conduit plumbed through floor for easy wiring.