Tube Fitting 1/4 Barbed to Male 1/4 NPT

1/4 barbed to male tube fitting fits with a 1/4 female inside thread tube fitting to allow a flexible hose to attach to water or air tools.

. PWMall-139-4B-1/4 ID x 1/4 Male Pipe Brass 90° Elbow Hose Barb Fitting

BuildYourCNC - Portable Air Tank

1/16 Tube Id Barb Straight Connectors (1/4 NPT), 1/16 Tube Id Barb Straight Connectors (1/4 NPT)

1/4-28 Barb Adapter for 1/4 ID Tubing, PP, pack/5

Mader Shop pneumatic & compressed air technology

SUNGATOR 6 PCS Brass Hose Barb Fittings, 1/2 Barb X 1/4 Male NPT, Barbed Hose Fittings, Male Threaded End Hose Pipe Adapter Connector

PlumbShop Brass Hose Barb Adapter, 1/4-in MIP x 1/4-in ID

Apache Website - 1/4 Male Pipe Thread x 1/4 Hose Barb Push-On Air Hose Fitting

If you need to create a vacuum, this pump will draw a vacuum down to 5 Pa. Remember that normal atmosphere, around sea level is 100,000 Pa or 100 KPa.

Vacuum Pump - 3 CFM

U.S. Solid Brass Hose Fitting, Adapter, 1/4 Barb x 1/8 NPT Male Pipe Fitting, 1/4x 1/4, 3/8 x 1/4, 3/8x 3/8,1/2x 1/2, 3/4x 3/4 - U.S. Solid

Stainless Beverage Fittings - Elbow Sweep - 1/2 MNPT x 1/2 Barb

1/4 X 5/16 45 Degree Hose Barb

Plastic Barbed Tube Fittings 1/4 Tube ID x 1/8 NPT Male – PowderBuyThePound