Jandy Nature2 Express IG/AG Cartridge (up to 25,000 gal, single unit) | W28175 Style_Retro Heads of #20 silica sand (or

of #20 silica sand (or equivalent media)

Designed for the G4V / G4VHV in‑floor cleaning system from Pentair (formerly A&A)

Handles 63 GPM with long‑lasting durability

Master Spas

Jandy Nature2 Express IG/AG Cartridge (up to 25,000 gal, single unit) | W28175 Style_Retro Heads of #20 silica sand (orThe Nature2 Express by Zodiac is a mineral sanitizing system for above ground and in ground swimming pools that reduces the need for large amounts of chlorine. It works by harnessing the sanitizing antimicrobial properties of natural minerals, which means fewer harsh chemicals in your pool. During the regular pool filtration cycle, water flows through the Nature2 Express cartridge, where the combination of silver and copper minerals destroys bacteria