https://pexuniverse.com/frost-free-sillcocks
Frost Free Sillcocks, Anti-Siphon Frost Proof Sillcocks - PexUniverse
Matco-Norca 209 series frost free sillcocks and 212 series anti-siphon frost proof sillcocks in lead free brass and sizes up to 12".
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https://meshersupply.com/Products/Vendors-Valves-Faucets/Woodford-Sillcocks-Hydrants/
Woodford (Sillcocks & Hydrants)
woodfordsillcockshydrants