name:nipple drinker weight:60g feature:stainless steel keep clean water. connector type:G1/2 BSPT or G3/4 BSPT. ... design is convenience for pigs, its cleanness and sanitation, water conservation and can protect the environment against pollution, also could ... and stainless steel.That is applying for packing in carton.Keywords:pig nipple drinkers,nipple drinker,livestock watering tool,drinking trough ...