This is a real simple gravity sparge arm. This is designed to work with a 1/2" FPT ball valve on the HL Tank. The kit comes with a 1/2" MPT fitting stainless fitting. The sparge arm is all copper with small holes drilled into the the top of the ring for gentle sparging. Screws on and off the HL tank for easy use and removal. The ring is held on by a removable small clip for easy cleaning. Approximately 9" in diameter.
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