The Snappy is manufactured from lead-free galvanized cast iron;Snappy pitless adapters are certified under the standards of the Pitless Adapter Division of the Water Systems Council (PAS-l);Snappy pitless adapters are available for well sizes from 4"to 6 1/4" I.D. and is for drop and discharge pipe sizes of 1" and 1-1/4";Snappy adapters conform to Water System Council PAS-97(04) Standards