Brass straight coupler connects R 1/4 inch male to 12mm female pipes.
Brass compression coupler reducing from half-inch thread to 12mm pipe.
Brass compression coupler reducing from three-eighth inch to 12mm pipe.
Brass compression coupler reducing from quarter-inch thread to 8mm pipe.
Brass straight coupler connects male 1/8in to female 6mm pipes with compression fittings.
Brass compression coupler connects 1/8 inch male thread to 4mm female pipe.
Half-inch hexagon coupler for connecting matching tapered threads.
Stainless steel straight coupler joins two male 3/8 inch threaded pipes together securely.
Stainless steel straight coupler connecting two male threaded pipes together securely.
Brass compression coupler joining 1/4 inch male to 10mm tube.
Brass compression coupler connecting half-inch male thread to ten millimeter pipe.
Legris brass compression coupler connecting 1/8 inch male thread to 8mm female.
Brass compression coupler joining 1/4 inch male thread to 6mm tube.
Legris brass compression coupler joining 1/2 inch male thread to 15mm female.
Brass compression coupler connecting 1/2 inch male pipe to 10mm female pipe.