Emerald Spa air injector. Complete, grey only, 3/8" barb. This is the one and only...replaces older style round fittings.TIP: silicone everywhere, don't over-tighten, no "hose hang" from barb. Availability: Usually ships the next business day. AIR-G$3.00 CNY Hot Tubs - 2037 St. Rte. 34, Lansing, NY 14882 Phone: 607-533-9411 - Email: info@cnytubs.com - Web: www.cnytubs.com CNY Hot Tubs acknowledges all trademarks. Copyright ©2001-2008 CNY Tubs All Rights Reserved.