Model: AL-2000, BL-2000, BL-3000, BL-4000 Medium: Air Joint pipe bore: 1/4", 3/8", 1/2" Pressure resistance: 1.5MPa Temperature range: 5~60. C Suggested lubricating oil: ISO VG 32 or the same grade oil Volume capacity of lubricant cup: 25c. C., 90 c. C. Weight: 0.25kg Material of body: Avional casting Container cup: PE Protection cover: Iron