Nature2® W28135 G35 Mineral Cartridge, 35K Gal

Compatible with Zodiac Professional G and Pro G Plus filters for pools up to 35,000 gallons. The G35 cartridge uses patented mineral technology to kill bacteria and control algae for up to six months. Eco-friendly and chemical-reducing, it delivers cleaner, clearer, and softer water that feels fresh and soothing.