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

Brass Compression Fittings – Mainline Collection

F1960 Brass PEX Fittings – Mainline Collection

Underground Water Line Fittings - American Copper & Brass

F1807 Brass PEX Fittings – Mainline Collection

Hammer Arrestors – Mainline Collection

Fittings – Mainline Collection

Valves Check Valves - West-Allis-Wisconsin

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

7/8 Brass Compression Tee Lead Free – Mainline Collection

F1960 Brass PEX Fittings – Mainline Collection