R172009 O-Ring For Pentair Model 300/320 Pool and Spa Chlorinator Lid (2/Pack)

Replacement Model R172009 O-283 Are compatible Pentair Model 300 and 320 Chlorinator Lid Two per pack R172009 O-Ring Our R172009 o-ring is product of high quality rubber and is immune to chlorine, because of this your filter out will also be sealed with a long-term effect High Quality Long Lasting Replacement O-Ring, Simple to put in and don’t have any leaks