By Waterway
Part # 212-7747
Alternate Part #'s 55-270-6300, WW2127747B
Adjustable Power Storm Massage 5" Textured Scallop Snap In Gray
Replaced by Power Storm Gunite Int.directional 5-scalp - Grey (212-7637g) Replaced by the 212-7639-STS http://www.inyopools.com/Products/07501352047385.htm