These high performance ISO Poppet couplings are designed for use on auxiliary circuits on tractors, skid steer & track loaders, excavators, machinery attachments and all types of agricultural & construction equipment.
These couplings are used by most major OEM brands and compatible with major brands like Stucchi, Parker, Faster, Eaton & Hansen and much more...
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Features: 
Zinc Plated, heat treated carbon steel - Nitrile o ring seals with PTFE backup rings
Positive, quick connection ensured by the snap together locking ball system
When connected the male and female halves can rotate, even under pressure, avoiding stress on hoses
Poppet valves have balanced springs and calibrated oil flow passages to minimize the pressure drop 
Poppet valve seals have shockproof protective edges