Pneumatic Fitting, 1/4" Barb x 1/8" FPT

Pneumatic Fitting, 1/4" Barb x 1/8" MPT Elbow

Pneumatic Fitting, 3/8" Barb x 3/8" Barb, 90 Degree Elbow

Pneumatic Combination Fitting, 5/32" x 1/4" Barb x 1/8" NPT Male Adapter