Best Compressed Air Drains

SNS 1/2”NPT Compressed Air Filter Regulator Piggyback Combo, Semi-auto Drain, 5 Micron Brass Filter, Gauge and Bracket, Poly Bowl with Metal Guard AW4000-N04A

SNS 1/4''NPT Compressed Air Compressor Pressure Filter Regulator Piggyback Combo - Poly Bowl with Metal Guard, Semi-auto Drain, Bracket, with Gauge AW3000-N02A

NANPU DFR-04 1/2" NPT Air Drying System - Double Air Filters, Air Pressure Regulator Combo - Semi-Auto Drain, Poly Bowl

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

RedRock Gallo Drain Gun- with 5 Unthreaded CO2 Cartridges for A/C Condensate Line - Air Conditioner Cleaner Blaster Opener Kit with Five Cartridge Clears HVAC Clogs

NANPU 1/2" NPT Industrial Grade 3 Stage Air Drying System - Particulate Filter, Coalescing Filter, Desiccant Dryer & Air Regulator, Metal Bowl, Auto Drain, Suitable for Paint Spray＆ Plasma Cutter

NANPU 3/4" NPT Industrial Grade 3 Stage Air Drying System - Particulate Filter, Coalescing Filter, Desiccant Dryer & Air Regulator, Metal Bowl, Auto Drain, Suitable for Paint Spray＆ Plasma Cutter

NANPU 3/8" NPT Compressed Air Filter Regulator Lubricator Combo Water/Oil Trap Separator - Gauge(0-150 psi), Poly Bowl, Semi-Auto Drain, Bracket - 3 in 1 Two Unit

NANPU 1/4" NPT Compressed Air Filter Regulator Combo Piggyback, Auto Drain, 5 Micron Brass Element, Poly Bowl, Metal Bracket, 0-150 psi Gauge

3 STAGE, HEAVY DUTY INDUSTRIAL GRADE FILTER REGULATOR COALESCING DESICCANT DRYER SYSTEM FOR COMPRESSED AIR LINES, METAL BOWLS, GREAT FOR PAINT SPRAY AND PLASMA CUTTER (1/2" NPT, AUTO DRAIN)