As with {TAIL ~ the devices} of {HEAD ~ the 476 patent}, 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 { TAIL ~ the devices } of { HEAD ~ the 476 patent } , 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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