【SUPERIOR 304 FOOD-GRADE STAINLESS STEEL】 Our chicken waterers are made of premium 304 food-grade stainless steel for the entire construction, from the main water storage body, to the water tray and all the way to the handle, even the fastening rivets are made of the same superior quality 304 stainless steel. Our chicken waterers will provide our lovely chickens with rust-free water for decades. 【LEAK-FREE SOLID RUBBER SEAL】 Our poultry waterers have a bottom seal made of solid rubber, not a hollow rubber skin. Our seal always ensures you a quick and secure sealing, greatly reducing the likelihood of water leaking. 【AUTOMATIC CHICKEN WATERER BY VACUUM DESIGN】 Our chicken waterers supply water automatically and continuously by the most reliable design-''the design of the gravity and vacuum''. 【GENEROUS METAL THICKNESS 0.8MM】 Our metal chicken waterers have a thickness of 0.8mm, which greatly reduces any risks of deformation or denting should you accidentally drop the drinker. 【TESTED TO HIGH PERMACULTURE STANDARDS】 Our chicken waterers are the result of years of patient testing in the field of permaculture farming communities. Our quality chicken waterers meet the equally high standards of these communities. No micro plastics, no BPA, no heavy metals, no rusty water, no accidental dents due to dropping, no water leaks and no worries. Permafarm chicken waterer is a heavy-duty construction for serious chicken lovers. Our poultry waterers are made of premium stainless steel, which provides rust-free water at all time. Our solid rubber seal vacuum chicken waterers always ensure a quick and secure sealing. Our automatic chicken waterers supply water continuously by the gravity-vacuum design. Our chicken waterers have a metal thickness of 0.8mm, which reduces any risks of deformation or denting. Permafarm metal chicken waterers meet the high standards of permaculture farming.