As with the devices of {HEAD ~ the 476 patent}, {TAIL ~ the instant invention} is particularly suitable for a pool or spa, but it could be also used in a whirlpool, hot tub and the like 
As with the devices of { HEAD ~ the 476 patent } , { TAIL ~ the instant invention } is particularly suitable for a pool or spa , but it could be also used in a whirlpool , hot tub and the like
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