This part is a 4" Spa Diverter Black Handle Knob, Gray Cover, Stem and O-Ring Kit that was used on some 1999,2000,2001,2002,2003 Master Spa and Down East Hot Tubs. This Diverter Knob mounts on top of the Diverter Valve Stem Square that is about 7/16" Wide sticking through the diverter cap. The Diverter Valve that this part fits is used to Divert Water into different sides of a hot tub and fits many different brands. The outside measurement of the Handle is about 4" from end to end and is about 2" wide from side to side. The Square hole where the stem mounts is about 7/16" wide.  This listing is for the Handle, Cap, Stem & O-Ring only all other parts shown are for illustration only and sold separately. We offer the Cap and Handle in different colors and shapes and the o-rings, Stem and Complete valves & Kits in our Store. 

This handle fits some Down East and Master Spas, 1999, 2000, 2001, 2002, 2003, Bar Harbor, Cape Cod 2, Providence D, Exeter 2, Portsmouth 2, East Hampton 2, Mystic, Cape Cod SE, Exeter SE, Somerset, Bar Harbor 110v, Newport, Bristol, Providence S, D-3000, D-2000, D-1000, Portsmouth 1, Exeter 1, D-5000 2, D-5000, D-4000 2, D-4000,LSI557,LS700,LS750,LS800LS850,LS1050,LSX,1050FST

X804180,