What are external thread and internal external thread: Internal external thread means: the product itself is 22 internal thread, equipped with a 22 to 24 external thread adapter, so that it can be applied to two faucet sizes. External thread means: the product is 24 external thread
Features: Industrial Quality For Commercial Duty: Sturdy Copper, ABSbody for extra durability and longevity. This item also includes reinforced double O-ring valves that ensure that all leaks are prevented. Safe & User-Friendly Design: Splash filter faucet introduces air into the water stream to produce a larger and whiter stream that is SOFT TO TOUCH and NON-SPLASHING. Suitable for restaurant, laundry & back yard. Multiple Sizes & Types: Size support: Support M22(22mm) and M24(24MM) We offer a variety of styles to match your varied needs.