ARO Ingersoll Rand ARO F35121-400-VS Air Line Filter, 1/4" NPT - 150 psi Max Inlet, Black

ARO R37121-600-VS Air Regulator 1/4" NPT, w/ Gauge - 250 psi Max Inlet

ARO L36121-100-VS Air Line Lubricator, 1/4" NPT - 150 psi Max Inlet

Anderson Metals 56122 Brass Pipe Fitting, Hex Nipple, 1/4" x 1/4" NPT Male Pipe

ColorFit by Milton HIGHFLOWPRO S-314VKIT Coupler & Plug Kit - (V-Style, Purple) - 1/4" NPT, (14-Piece)

Pipe Fitting and Air Hose Fitings, Hex Nipple Coupling Set - 1/4-Inch NPT x 1/4-Inch NPT,Solid Brass, Male Pipe- 10 Piece

ColorFit by Milton Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (14-Piece)

EDGE INDUSTRIAL Brass Long Nipple 1/4" X 1/4", 3" Length, Male NPT MNPT Fuel/AIR/ Water/Oil/ Gas WOG

WYNNsky 1/4" Heavy Duty Brass Ball Valve Shut Off Switch, 1/4 Inch Male And Female NPT Thread Pipe Fitting