Generic O-333 O-Ring
This is an O-Ring used on the Pentair/Purex SM & SMBW 4000 D.E. Filter. The O-Ring fits in between the top and bottom of the filter to create a watertight fit.
This is an O-Ring used on the Pentair/Purex SM & SMBW 4000 D.E. Filter. The O-Ring fits in between the top and bottom of the filter to create a watertight fit.