Series 550 nye dedienɔnɔ ƒe kadodo si me wowɔa nusiwo ŋu woate ŋu awɔ nu le bɔbɔe eye wowɔa dɔ le wo ɖokui si bliboe. Wole sue wu, wole sue wu sã eye wowɔa tsi si kɔkɔ wu atsyã siwo woate ŋu atsɔ asɔ kple wo nɔewo. I t nye asi ɖeka ƒe dɔwɔwɔ dedienɔnɔ coupling be vents hafi woaɖe kadodo, ɖeɖeɖa afɔku si le hose whip.Series 550 nye dedienɔnɔ coupling si me wowɔ bɔbɔe-to-grip kple bliboe automatic dɔwɔwɔ. Wole sue wu, wole sue wu sã eye wowɔa tsi si kɔkɔ wu atsyã siwo woate ŋu atsɔ asɔ kple wo nɔewo. Enye dedienɔnɔ ƒe kadodo si wotsɔa asi ɖeka wɔa dɔe si ya doa goe hafi woɖea kadodoa ɖa, si ɖea afɔku si le hose whip me ɖa.