Anvil 21" SwirlyThis 21" whirlpool works perfectly with the 10.5 & 18 gallon foundry, brew kettles, and any other brewing system. The rotating rubber piece allows it to secure to the side of any vessel, no matter the thickness. The Swirly uses a 1/2" straight pipe thread for hose connections and includes a hose barb for connecting your water supply.
The 21" Swirly fits any vessel that is 15-27" in container height. For smaller vessels see the 15" swirly