Quick view Aqualock | Uniflex Hose | U820101-36 1/2" Female X 1/2" Female Blue Uniflex hose, 36" long. This Uniflex hose is to be used in conjunction with Plastic AquaLock fittings, manifolds and valves. This hose, model U820101-36 is 1/2" Female X 1/2" Female Blue Uniflex House, 36... $46.35 $41.72 Add to Cart Compare