Thor Quality Braided Stainless Steel Leader Compressor Hose, come in two sizes
 
1/4" NPT (fits TC380 & TC444HO models and all compressors with 1/4" hose fittings)
3/8" NPT (fits X480 and all compressors with 3/8" hose fittings)
 
Both have a built in check valve.