1/2" 3/4"Inline Hose Reducer Joiner Barbed In-line Straight Pipe Jointer Pond

Inline Hose Reducer Joiner Barbed In-line Straight Pipe Jointer Pond 1/2" 3/4". Female thread O.D. (20 10). If the hose is more elastic, you can choose a larger one to increase the seal.

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