Are Unicell cartridges have any markings on them.
My Hayward cartridge has Hayward and the filter number embossed on each end.
I just got a pair of cartridges that are supposed be Unicell, so I am curious.
My Hayward cartridge has Hayward and the filter number embossed on each end.
I just got a pair of cartridges that are supposed be Unicell, so I am curious.