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Adapters with Male threads and a Flair-It connection. 3/8" and 1/2" fittings will fit PEX or polybutylene tubing. 3/4" fittings will fit PEX tubing only, to use on polybutylene see Related Items.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.