$11.43
Part # 9170-04CA
Manufacturer Code 4600-2320
Dimensions 3" L x 3" W x 0.1" D
(1) 4600-2320 AC05-B01. O-ring measurements are: OD 2-13/16", ID 2-5/8"
O-Ring for Bulkhead used on Pentair filters manufactured before 10/2004
$5.29