Model No.: AC,AW,AF,AR,AL. Adapter bore: G1/4",G3/8",G1/2",G3/4",G1" Filtration: 5m Applicable Pressure Range: 0~1.0MPa 49 series include Treatment Dyad(AC),Filter Relief-Pressure Valve(AW),Filter(AF),Relief-Pressure Valve(AR),Oil Sprayer(AL). Standard packing or your request