CMEP-OL Oil Less Explosion Proof Refrigerant Recovery Machine CMEP-OL oil free explosion proof refrigerant recovery machine is specially designed for light hydorcarbon refrigerants, such as R32, R600A and R290 etc. It\'s suitable for the service of household A/C, fridge and oil extraction. Unique Advantages 1.Specially designed for ligh hydrocarbon(HC Refrigerants) 2.Food grade material and PTFE seal 3.explosion and leak proof design with UL listed explosion proof motor 4.food grade 1HP oil less dual cylinder high efficiency compresor for 24 hours running 5.high pressure protection for safety with deep ultimate vacuum 6.UL certificate and patent is pending 7.All of the fitting is designed according to UL explosion proof standard