ZERO WATER Replacement Filters-3 included

This is a new, never used and sealed ZERO WATER replacement filter, 3 are included. The model number on this is ZR-003. ZeroWater’s five stage process: Stage 1: Coarse filter to remove fine particles/sediment. Stage 2: Distributor that maximizes contact time. Stage 3: Multi-layer system using activated carbon and oxidation reduction alloy. Stage 4: Comprehensive ION EXCHANGE array. Stage 5: Non-woven membrane to remove fine particles.