SCWD Current Switching Valve 3/4"
SCWD (Switching Current Water Director). SCWD ("squid") promises to add life giving alternating currents to saltwater and freshwater aquariums alike, as well as ponds; and decorative alternating sprays to garden statuary. SCWD is a revolutionary mechanical wave maker, designed and manufactured in the United States by 31Q, to the highest standards of quality and reliability. SCWD is clearly the most efficient wave maker available. This new and amazing device has been subjected to the rigors of consumer use and laboratory testing in excess of 53,000 hours - over 6 years! SCWD will provide years of reliable, convenient, and trouble-free service. It is, in fact, the best, most cost effective mechanical current generating device available on the market today.