Brass Compression Fittings – Mainline Collection

Mainline's unparalleled collection continues to grow. Whether it's our new pumps, food waste disposers or the latest sink, trendy faucet or molded wood toilet seat, you can count on Mainline for an ever-expanding line of exceptional products.

Compression Brass Fittings at

Underground Water Line Fittings - American Copper & Brass

F1960 Brass PEX Fittings – Mainline Collection

These universal fittings provide users with numerous connection options for a wide variety of tube materials without the need for tube threading or

Brass Compression Fittings

1/4 Brass Bulkhead Union Compression Fitting

Dixon 1/4 Brass Bulkhead Union Compression Fitting (62CBH-04)

F1807 Brass PEX Fittings – Mainline Collection

Brass Fittings CA360/377 BRASS COMPRESSION FITTINGS Brass Fittings For Plastic Tubing Made in USA Brass Fittings

LASCO 17-6273 7/8-Inch Compression Brass Union : Everything Else

Valves Check Valves - West-Allis-Wisconsin

MAINLINE MLQTR09RX ROUGH BRASS 1/2X1/4 SWTXCOMP ANGLE QUARTER TURN STOP VALVE WITH OVAL HANDLE LEAD FREE at Moore Supply Co

Stops – Mainline Collection

F1960 Brass PEX Fittings – Mainline Collection

Compression Brass Fittings at

F1807 Brass PEX Fittings – Mainline Collection