Excel Filters XLS-659 3-Pack Replacement Filter Cartridges, Compatible with Waterco Tri-Cartridge TC500, Replaces Waterco 622830

XLS-659 Replacement Pool Filter Cartridge for WaterCo Tri-Cart 400 and 500.   Waterco Part Numbers: 622820 and 622830 Cartridge dimensions: Length 31 1/4"; Diameter 6 1/5"; Top Open Hole 2"; Bottom open hole 2"    Compatible Hot Tub Spa & Pool Filters:  XLS-659 3PACK   Waterco TC 500  622830 TC500 TC 500 TC-500   XLS-660 3PACK   Waterco TC 400  622820 TC400 TC 400 TC-400 Replacement Filters for: Waterco FulFlo Tri Waterco FulFlo Tri-Cart Waterco FulFlo Tri-Cartridge