Norgren pneufit c series fittings kits 4 amp 6mm 6 amp 8mm norgren ne11154 this 6 and 8mm handy fittings kit is designed for those involved with the creation and maintenance of compressed air systems the kit contains a selection of a wide range of fittings from the pneufit c series including straight connectors elbows t connectors hose connectors plugs etc norgren ne11154 pneufit c series 6 and 8mm fittings kit