These polishing cartridges come with quick coupler instructions for use. To do this, it is sufficient to insert the pipes from both ends as far as they will go. But it won't work. The ends have no proper connectors at all. They must be purchased separately, as do threaded nut-bolt connections. When I've bought polishing cartridges in the past, they've always come with shark bite or John Guest style tips and clips to hold the clips securely. Ordinary line filters for refrigerators even have ends. I'm disappointed. There is an additional cost and the instructions are misleading.
NANPU 3/8" NPT Compressed Air Filter Regulator Combo Piggyback, 5 Micron Brass Element, Poly Bowl, Semi-Auto Drain, Metal Bracket, 0-150 Psi Gauge
26 Review
Filter under the sink Aquaphor Favorit ECO silver
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
π§ 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