Compression Olives 1/2" Pack of 10 Imperial size Approved to EN1254-2 Fitting instructions included High quality brass Easi Plumb 1/2" Olives Pack Of 10 | Ep378b12The Easi Plumb 378B Brass Compression Olive Pipe Fitting 1/2in - 10 Pack is a high quality brass compression fitting, manufactured to ISEN 1254-2 standards. This brass fitting is for indoor use and is used between the nut and the fitting to give a strong seal. This is a simple to assemble compression joint, manufactured using quality brass.