Protect your plumbing system from damaging shock and vibration with the Sioux Chief Mini-Rester Water Hammer Arrestor. Engineered in a compact AA size, this arrestor features heavy-duty brass fittings for superior durability and corrosion resistance. Its sleek, easy-to-install design fits seamlessly into tight spaces, making it ideal for residential or commercial applications. Enjoy consistent, long-lasting performance and peace of mind knowing your pipes are safeguarded against water hammer. Dimensions: approximately 1.25" diameter x 3.5" length. Color: brass gold. Sioux Chief 1/4" O.D. Compr. Tee, Mini-Rester Water Hammer Arrestor (Lead-Free) (Sioux Chief - 660-GTC0B)