Leisure Time ALK-12 Alkalinity Increaser for Spas and Hot Tubs (12 Pack), 2 lb safety-knives Hayward DEX4820BTC Filter Head with

Hayward DEX4820BTC Filter Head with Clamp System Replacement for Select Hayward Filters

3 in extension

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Inside right chest pocket: 8

Fits Zodiac Jandy CV Series cartridge pool and spa filter models CV340

Leisure Time ALK-12 Alkalinity Increaser for Spas and Hot Tubs (12 Pack), 2 lb safety-knives Hayward DEX4820BTC Filter Head withLeisure Time ALK 12 Alkalinity Increaser for Spas and Hot Tubs (12 Pack), 2 lbCompatible With Chlorine, Bromine, Ozone And Biguanide SanitizersBalance Spa Alkalinity And Hot Tub Alkalinity To Prevent Ph Bounce And Other Spa Water ProblemsEffectively Raises Alkalinity LevelsNo Assembly Required