Frog IG 5400 Mineral Pack
The Pool FROG 5400 Mineral Reservoir by King Technology allows you to use up to 50% less chlorine and is for use on in-ground pools up to 40,000 gallons.
Replacement Mineral Reservoir for 5400 Frog System
Lasts up to 6 months
Covers up to 40,000 gallons of pool water