Omnipure - Q5715-P - 14" x 2.5" Q-Series Twist Off Carbon Block Filter - 1 Micron with Phosphate & Lead Removal Mixed Bed DI1352 The TW30-1812 is the workhorse

The TW30-1812 is the workhorse membrane in residential reverse osmosis systems

Multi-Contaminant Reduction

Note that NPT threads measure larger than their nominal size—1/4" NPT measures approximately 0

If your well water or municipal supply tests below 7

Omnipure - Q5715-P - 14" x 2.5" Q-Series Twist Off Carbon Block Filter - 1 Micron with Phosphate & Lead Removal Mixed Bed DI1352 The TW30-1812 is the workhorseOmnipure Q Series 14" x 2. 5" 1 Micron Q5715 P Twist Off Carbon Block Filter with Phosphate Scale Inhibitor & Lead Reduction Twist Tap valve system with carbon block filtration, polyphosphate scale control, and certified lead reduction for ice makers, refrigerators, beverage equipment, and reverse osmosis systems. 1 Micron Carbon Block Lead Reduction Phosphate Scale Inhibitor Twist Tap System WHY IT WORKS Four layer protection with automatic shutoff