Air & Dirt Separators DISCAL® Air separator. Brass body. Stainless steel float guide pin and linkage. Glass reinforced nylon internal element. Air separation efficiency: up to 100% removal   DIRTMAG® PRO Dirt separator with dual magnetic fields. Internal magnet in drywell. External clip-on magnet. Brass body. Glass reinforced nylon internal element. Air separation efficiency: up to 100% removal. Dirt separator with dual magnetic fields. Internal magnet in drywell. External clip-on magnet. Connection: 1 1/4", press. Maximum working pressure: 150 psi. Medium temperature range: 32–230 °F. Material: brass.