US Water 5-Stage Reverse Osmosis Filter Pack For Systems With 20" Filters
All Filters are NSF Certified for High Purity Reverse Osmosis Systems
- (1) 5 Micron Pre-Filter
- (2) Carbon Block Pre-Filter
- (1) In-Line GAC Post-Filter - 1/4" FNPT
Membrane Sold Separately
It is recommended that filters be changed at 6 or 12 month intervals.