1. Material :SUS304/ SUS316L br> 2. Max working pressure: 150 PSI br> 3. Polished internal and external polished br> 4. Filter core: 5 pieces br> 5. Filter core size: 10 inches, 20 inches, 30 inches, 40 inches br> 6. In/out port: 1''-1.5''-2''br> 7. Vent port: 1/4'' br>
https://www.rywatertreatmen.com/cartridge-filter-housing/sanitary-cartridge-filter-housing-water.html