For use on FlowMatic Heavy-Duty Housings that use 2-1/2″ x 9-3/4″ or 2-1/2″ x 20″ cartridge filters.

For use on FlowMatic Full-Flow Housings that use 4-1/2″ x 9-3/4″ or 4-1/2″ x 20″ cartridge filters.

For use on FlowMatic Full-Flow Housings that use 4-1/2″ x 9-3/4″ or 4-1/2″ x 20″ cartridge filters.

For use on FlowMatic Heavy-Duty Housings that use 2-1/2″ x 9-3/4″ or 2-1/2″ x 20″ cartridge filters.

For use on FlowMatic Full-Flow Housings that use 4-1/2″ x 9-3/4″ or 4-1/2″ x 20″ cartridge filters.