VVEBUY Silver Ion Spa Mineral Ion Cartridge Compatible with Jacuzzi Hot Tub — Open-Box, 56% Off

Precision-Engineered Bayonet Design: Features a secure, rattle-free fit specifically designed for J-300, J-400 and J-500 series filter caps

Extended 16-Month Supply: 4-unit pack provides 1 year plus 4 months of coverage, use 3 sticks for full year maintenance and keep the 4th as an essential emergency backup

Flexible Replacement Schedule: Replace mineral cartridge every 3 to 4 months depending on your hot tub usage frequency and intensity

High-Quality Silver Ion Formula: Contains 1.05% silver ion minerals that deliver fresh crystal clear hot tub water for a superior spa experience at an affordable cost

Enhanced Water Filtration: Makes hot tub water filtration more thorough to ensure your spa time is comfortable and relaxing

Superior Cleanability: Allows your hot tub filter system to release maximum filter capacity when being cleaned, reducing daily spa maintenance costs

Energy Efficient Operation: Mineral technology maximizes your spa's performance, reduces operating stress on your filter and hot tub, and extends its service life

Durable Construction: High efficiency filter materials specifically designed for durability and cleanability, reinforced mineral cartridge stick works with cool, warm and hot water spa tubs

Advanced Filtration Technology: Mineral technique ensures efficient and long-lasting spa water filtration, removes residual chlorine, unpleasant taste, potentially harmful pollutants and other impurities

Copper-Free Formula: Safe mineral composition without copper ensures gentle yet effective water treatment for your hot tub maintenance needs

Spa Mineral Ion Cartridge Filter Stick for Hot Tub