These replacement filter cartridges utilize advanced technology to effectively , providing purified water for your relaxation vessel. Made to fit Frog Ease floating units, they smooth functioning in containers holding up to 600 gallons. Each cartridge removes nearly all floating particles, maintaining ideal liquid condition with reduced haziness. With suggested replacement every 4 6 weeks depending on frequency of use, these units help lower maintenance requirements and costs. Built from rigid, temperature resistant substance, these cartridges feature comfortable handling edges for quick setup without requiring equipment. Their design ensures long term dependability in your soaking equipment configuration. The concentrated tiered woven structure outperforms ordinary single layer by trapping microscopic impurities while utilizing earth safe factors that protect watery habitats. Package includes: 3x Hot Pool Replacement Filter