Oils, Fuilds and Servicing. SAC5000S Air Compressor 50L 50 Litre 1HP Low Noise Oil Free Direct Drive Sealey. LOW NOISE – Compressor runs at only 74dB, suitable for places where a standard compressor would disturb work or people in the vicinity. ALUMINIUM CONSTRUCTION – Aluminium cylinder head with cast iron cylinder gives added resistance to wear. AUTOMATIC CUT-OUT- Fitted with fully automatic pressure cut-out switch and twin gauges displaying tank and working pressures. OIL FREE – The benefits of oil free compressors include: Easy maintenance, reduced noise levels, better efficiency, quieter when running and no oil contamination in the air supply...