By Hayward Pool Products
Part # 4664-13
Manufacturer Code CX400BA
Dimensions 9" L x 9" W x 7.5" D
Filter head cover With check valve and locking ring. Does not come with the gauge (4727-0) or o-ring (4664-14) which must be purchased seperately. This filter cover is for the Hayward Easy-Clear A.G. Filter, C-400 and C-550.