6540-252 Nut Jacuzzi/Sundance Silent Air Injector

Fits Jacuzzi Air Bleed Line Fittings on Spa Models: J-500 2015+, J-LX/J-LXL 2011+, J-300 2005+, J-400 2009+

Fits Sundance "Ultem", "Salt & Pepper", and "Silent Air" Injectors on Spa Models: All 1988-11/1995 spas, 1991-1992 Suncoast, 11/1995+