
The name says it will fit all standard systems but it does Not. If you have Watts Premier like WP-5, the osmotic membrane has several problems. First, the design of the filter ends is reversed. Second, the filter pad is too small and the system is constantly filtering with a loss of 1.5 gallons, which is a huge waste of water.

🔧 NANPU 1/2" NPT Compressed Air Filter Regulator Combo Piggyback with Auto Drain, 5 Micron Brass Element, Poly Bowl, Metal Bracket, and 0-150 psi Gauge
18 Review

NANPU 1 FRL Air Filter Regulator Lubricator Combo With 0-150 Psi Gauge, 5 Micron Brass Element, Poly Bowl & Semi-Auto Drain - Metal Bracket Included
20 Review

NANPU DFR-02 1/4" NPT Air Drying System - Double Air Filters, Air Pressure Regulator Combo - Semi-Auto Drain, Poly Bowl
20 Review

Filter under the sink Aquaphor Favorit ECO silver
20 Review